我家装潢用的地面800*800瓷砖边角料，加工踢脚线（暗贴），加工时是否需要修边和磨圆？_百度知道
我家装潢用的地面800*800瓷砖边角料，加工踢脚线（暗贴），加工时是否需要修边和磨圆？
加工费是按5元/米（直裁），3元/米（修边），6元/米（磨圆）分别计算的。
我有更好的答案
您那价位太高了吧！我们这里切割：1.5元/米，修边：1.5元/米，磨圆：2元/米.
朱工，你们在哪里啊？我在合肥
我在南昌，南昌与合肥的消费应该差不多。
暗贴的话，加工踢脚线就不需要修边和磨圆了吧？
对的，贴在墙里就不需要了。
采纳率：76%
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&&请问环球影城可以自带食品或水么，餐厅一般一个人一餐消费多少（普通）
已解决问题：4086036
人贡献宝贵经验
请问环球影城可以自带食品或水么，餐厅一般一个人一餐消费多少（普通）
请问可以自带食品或水么，餐厅一般一个人一餐消费多少（普通）？谢谢
全部回答（4）
按赞同数排序
进入影城后若出去票口后不可再持当日票进入(除了年票以外)，好像是因为影城外太多餐饮店吧。建议你将食物饮水皆放进包包内！可以在环球外面的便利商店买点干粮跟水进去。里面餐要880，还要另点(小杯)380。
影城没有规定不可以携带食物和水。下了JR以后往里稍微一走就有一家LAWSON便利店，买东西很方便。进入影城之前还有快餐店等，也可以先买好。另，影城里面确实要贵一些，但不像国内那样贵的离谱，如果要吃热的话，我建议还是在里面吃。请参考USJ官网。http://www.usj2.cn/restaurant/index.html
明白了，非常感谢啊
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请问环球影城可以自带食品或水么，餐厅一般一个人一餐消费多少（普通）
我们找到了一个相同的答案，不能重复回答哦。
和问题无关、信息错误的回答会被隐藏。
这条回答是否对问题没有帮助？
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 |  |  |  |  |  |  |  | , . All rights reserved. | 800*800地砖加工成400*800上墙，用不用磨边，如果磨边一般磨边几毫米？_百度知道
800*800地砖加工成400*800上墙，用不用磨边，如果磨边一般磨边几毫米？
顺辉抛光砖卫生间上墙铺贴。
我有更好的答案
根据是抛光砖，一般情况下是建议磨边的，磨3mm的边。如果坚持不磨边的话，可以修一下边，留2~3mm的缝。磨边的好处是可以保持美观，避免产生误差。不磨边就可能产生误差。
采纳率：16%
可以磨边，直接通铺也很好看，磨边的话会更有立体感，一般磨45度角，3-5毫米都可以。
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2011 January 1
Fireworks Galaxy NGC 6946
Image Credit &: ,,
Explanation: Celebrate the New Year with the Fireworks Galaxy!Also known as NGC 6946, the big, beautifulis located just 10 million light-years away, behind a veil offoreground dust and stars in the high and far-off.From our vantage point in the, we see.In this,the galaxy's colors changefrom the yellowish light of old stars in the core to young blue starclusters and reddish star forming regions along the loose, fragmentedspiral arms.NGC 6946 is and rich in gas and dust,exhibiting a furious rate of star formation.Nearly 40,000 light-years across, the nearby spiral isfittingly referred to as the.Over the last 100 years, at least nine supernovae, theof massive stars, were in NGC 6946.By comparison, the average rate for supernovae in the Milky Wayis about 1 per century.
此贴不火，岂有天理？！
最具影响力军事论坛-超级大本营军事论坛欢迎你！超然物外，有容乃大。
新年的烟花，NGC6946烟火星系{:cha:}
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今天允许我们插队&&期待着你的大作
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我把你以前的帖子地址放上 可以不？
最具影响力军事论坛-超级大本营军事论坛欢迎你！超然物外，有容乃大。
這個我喜歡.無垠的宇宙
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2011 January 2
Looking Back at an Eclipsed Earth
Credit: ; Copyright:
Explanation:
Here is what the Earth looks like during a.Theof the can be seen darkening part of.This
moved the at nearly 2000 kilometers per hour.Only observers near the center of the see a total solar eclipse -others see a partial eclipse where only part of the.This
of the 1999 August 11was one of the last evertaken from the
space.The two bright spots that appear on the upper left are thought to be.Mir was
in a in 2001.
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2011 January 3
Winter Hexagon Over Stagecoach Colorado
Credit & Copyright: ()
Explanation:
If you can find Orion, you might be able to find the Winter Hexagon.&&The Winter Hexagon involves some of the visible,together forming a large and easily found in the of's.&&The stars involved can usually be identified even in the of a, although here they appear over darker,, USA..&&The six stars that compose the are,, (and),,, and.&&Here, the band of our Milky Way Galaxy runs through the center of the, while the open is visible just above.The
engulfs several
including much of the steppingstone.
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为毛是方言？？ 普通话版的难道不更新了？
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为毛是方言？？ 普通话版的难道不更新了？
scott 发表于
等北京天文馆上班吧...
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2011 January 4
A Green Flash from the Sun
Credit & Copyright: ()
Explanation:
Many think it is just a .&&Others think it is true but its cause isn't known.&&Adventurers pride themselves on having seen it.&&It's a
from the.&&The truth is thedoes exist and its cause is well understood.&&Just as the setting disappears completely from view,a last glimmer appears startlingly.&&The effect is typically visible only from locations with a low,distant horizon, and lasts just a few seconds.A
is also visible for a rising, but takes better timing to spot.&&A dramatic, as well as an even more rare, was caught in theabove photograph recentlyduring a sunset visible from at,,.The
itself does
turnpartly --the effect is caused by layers of the acting like a .
说明：许多人认为这仅仅是一个传说。而有些人认为这是真实的，但不知其成因。冒险家们对亲眼目睹而自豪。这是来自太阳的绿闪。事实上绿闪确实存在，其成因如今也已知晓。当正在下山的太阳完全消失在视野之前，最后一道闪光显现出了绿色。这种持续数秒的效应只有在海拔较低，视野广阔的地区才能看到。日出时同样可以看到绿闪，但拍摄时机更难把握。绿闪与更为罕见的蓝闪一道被拍摄于上面这张影像中，该影像拍摄于西班牙加那利群岛特内里费上的泰德峰天文台。太阳本身并没有部分变绿或变蓝，这种效应是由于地球大气层变成了一个棱镜一样的缘故。
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支持，美图
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2011 January 5
Eclipsing the Sun
Image Credit &:
Explanation: throughout much of Europe, North Africa, and Central Asia,were treated to the first eclipse of the new year on January 4, a.But traveling to the area around Muscat, capital city of Oman,photographer Thierry Legault planned to simultaneously recordtwo eclipses on that date, from that position,for a brief moment, both the Moon and the International SpaceStation could be seen in.His sharp, 1/5000th second exposure, capturingtwo largest satellites against the bright solar disk.As the partial solar,the space station (above and leftof center) zipped across the scene in less than 1 second,about 500 kilometers from the photographer's telescope and camera.Of course, the Moon was 400 thousand kilometers away.Complete with ,the Sun was 150 million kilometers distant.
说明：欧洲大部，北非以及中亚的欣赏到了新年的第一次日食，也就是发生在月日的。但是摄影师在阿曼首都马斯喀特拍摄的日食影像里，意外地发现了两次同时出现的掩食，在那个短暂的瞬间，从位置，月球和国际空间站的。的曝光时间为秒，的两颗最大卫星出现在明亮的太阳盘面上。当日偏食，位于距离地面公里上空的国际空间站（中央左上方）出现在影像中的时间不到秒。月球距离我们万公里，而盘面上出现的太阳距离我们
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我把你以前的帖子地址放上 可以不？
bjnr 发表于
已经编辑到主楼了啊~
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2011 January 6
Sunrise, Moonrise
Image Credit &:
Explanation: For many Europeans, the Sun and New Moon rose togetheron January 4 in a.Arriving close on the heels of the new year,it was the first of a series of four(!) partial solar.This the graceful in colorfulmorning skies over Graz, Austria.Beginning before sunrise, frames were taken to record the positionand progress of the eclipse every 15 minutes.As Sun and Moon the eastern horizon, the town ofGraz is seen bathed in warming sunlight only partially blocked bythe New Moon, spreading beneath the town's landmark clock tower.
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支持支持美图
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2011 January 7
Sunset, Moonset
Image Credit &: ()
Explanation: central and northern Asia, the Sun and New Moon set togetheron January 4, in a partial.Close to its maximum phase, the eclipse is captured near the moment ofsunset in this wintry scene from the bank of the Berd River,Siberia, Russia.An evocative view in fading light,the western horizon across a snowy, frozen landscape.offset Sun and Moon, the dimmly lit sky includes an industrialsmoke plume and airplane contrail.
说明：月日日偏食期间，中亚和北亚地区可以看到太阳与月球同时落下。影像拍摄于俄罗斯新西伯利亚市河畔，接近日全食临近食甚阶段，展现了日落的美妙瞬间。影像光线较暗，画面中白雪皑皑。除了太阳和月球，天空中还有工业废气和飞机云迹。
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2011 January 8
NGC 7293: The Helix Nebula
Image Credit &: Ed Henry()
Explanation: A mere seven hundred light years from Earth, in the constellation,a sun-like star is dying.Its last few thousand years have produced the(NGC 7293), a well studied and nearby example of a,typical of this final phase of stellar evolution. A total of 10 hours of exposuretime have gone in to creating this of the nebula.It shows details of the Helix's brighter, about 3light-years across, but also follows fainterfeatures that give the nebula a span of well over six light-years.The white dot at the Helix's center is this Planetary Nebula's hot,.A simple looking&&nebula at first glance, the Helixis now understood to have a surprisingly.
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2011 January 9
The Antikythera Mechanism
Credit & Copyright:
Explanation:
What is it? It was found at the bottom of the sea aboard an ancient Greek ship.&&Its seeming complexity has prompted decades of study, although some of its functions remained unknown.&&Recent
of the device have now confirmed the nature of the , and discovered several surprising functions.&&The
to be a mechanical computer of an accuracy thought
in 80 BC, when the ship that carried it .& &Such
was not thought to be developed by humanity for another 1,000 years.Its
create a portable
of the sky that predicted star and planet locations as well as
and s.The , , is 33 centimeters high and similar in size to a large book.
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2011 January 10
A Sun Halo Beyond Stockholm
Credit & Copyright:
Explanation:
What's happened to the Sun?&&Sometimes it looks like the Sun is being viewed through a large .&&In the above case, however, there are actually millions of lenses: . As water freezes in the upper , small, flat, six-sided, ice crystals might be formed. As these
flutter to the ground, much time is spentwith their faces flat, parallel to the ground. An r may pass through the same plane as many of the falling ice crystals near sunrise or sunset. During this alignment, each crystal can act like a miniature lens, refracting sunlight into our
and creating , the technical term for .&&The above image was taken&&last year in&&,.Visible in the image center is the Sun, while two bright
glow prominently from both the left and the right.&& is the bright -- as well as the rarer and much fainter
-- also created by
off of atmospheric ice .
说明：太阳怎么了？有时候这就像是通过一个巨大的棱镜观看太阳一样。在上面这个例子中，事实上那里出现了数百万个棱镜：冰晶。当水蒸气在上层大气层中发生冻结，平坦的六边形小冰晶就形成了。当这些冰晶慢慢地掉落到地面的过程中，有很长一段时间冰晶会与地面平行。当日出或者日落时，观测者的视线穿过冰晶组成的同一平面时，每一个冰晶就会演变成一个小型棱镜，将太阳光折射入我们的视线，并形成类似幻日的现象。上面这张影像是去年在瑞典斯德哥尔摩拍摄。影像中央就是太阳，两个明亮的幻日出现在左右两边。还可以看到明亮的度日晕以及更为罕见、较为暗淡的度日晕，同样这也是大气层中冰晶反射太阳光造成。
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2011 January 11
The Cosmic Web of the Tarantula Nebula
Credit & Copyright:
Explanation:
It is the largest and most complex star forming region in the entire galactic neighborhood.Located in the , a small satellite galaxy orbiting our Milky Way galaxy, 's spidery appearance is responsible for its popular name, the .This tarantula, however, is about 1,000
across.Were it placed at the distance of Milky Way's , only 1,500 light-years distant and the nearest stellar nursery to Earth, itwould appear to cover about 30 degrees (60 ) on the sky.Intriguing details of the nebula are visible in shown in .The spindly arms of the
nebulasurround, a
that contains some of the brightest, most
known, visible in blue on the right.Since massive stars , it is not so surprising that the also lies near the site of the closest.
说明：在整个临近星系内，它是最大、最复杂的恒星诞生区域。该区域位于我们银河系的卫星星系大麦哲伦星云内，蜘蛛状的外表也象征了其熟知的名字蜘蛛星云。这只宇宙大蜘蛛大约有光年宽。如果将其放置在我们银河系猎户星云的距离上，也就是距离我们仅光年远（猎户星云是距离地球最近的恒星诞生区域），那么蜘蛛星云在天空中大约能覆盖度（轮满月）天区。在上面这张科学着色的影像里星云的迷人细节清晰可辨。蜘蛛星云细长的臂膀缠绕在周围，该星团位于影像右侧的蓝色区域内，其中拥有迄今为止已知的最明亮、质量最大的恒星。因为大质量恒星生命周期短暂，因此蜘蛛星云位于最近发生超新星地点附近也就不足为奇了。
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2011 January 12
The Seagull Nebula
Image Credit &:
Explanation: This broad expanse of glowing gas and dust presentsa bird-like visage to astronomers,suggesting its popular moniker -.of the cosmic bird covers a 1.6 degree wide swathacross the plane of the Milky Way, of Sirius, alphastar of the constellation Canis Major.Of course, the region includes objects with other: notably,a compact, dusty emission regionwith an embedded massive star that forms the bird's head(aka the Parrot Nebula, above center).forms the sweeping arc of the seagull's wings.Dominated by the of atomic hydrogen,the complex of gas and dust clouds with brightyoung stars spans over 100 light-years at an estimated3,800 light-year distance.
说明：对于地球上的天文学家来说，这片广阔的气体和尘埃在外观上就像一只大鸟，因此该星云就有了令人熟悉的名字海鸥星云。这张宇宙海鸥影像大约有度，穿过银河系的盘面，位于天狼星（大犬座α）附近方向上。当然，这个区域还包括一些在编的天体：—内部含有一颗大质量恒星的致密尘埃状发射区域，并形成了海鸥的头部（位于影像中央上方，被戏称为鹦鹉星云）。形成了海鸥的翅膀。占据主要色彩的红色辉光是由氢原子发出，这片拥有明亮新星的复杂气体和尘埃云覆盖超过了光年，距离我们光年远。
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2011 January 13
NGC 3521 Close Up
Data -,, Processing -
Explanation: Gorgeous spiral galaxy NGC 3521 is a mere 35 million light-yearsdistant, toward the.Spanning some 50,000 light-years, its central region is shown in,constructed from data drawn from the.The close-up view highlights this galaxy'smultiple, patchy, irregular spiral arms laced with dust andclusters of young, blue stars., manyother spirals exhibit grand, sweeping arms.A relatively bright galaxy in planet Earth's sky,easily visible in small telescopes, but often overlooked byamateur imagers in favor of other Leo spiral galaxies,like .
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2011 January 14
Quadrantids over Qumis
Image Credit &: ()
Explanation: The is an annual event for planet Earth'snorthern hemisphere skygazers.It usually peaks briefly in the cold, early morning hours of January 4.The shower is named for its on the sky within theold, astronomically obsolete constellation.That position is situated near the boundaries of the modernconstellations Hercules, Bootes, and Draco.In ,two quadrantid meteor streaks are capturedleft by rising starsof the constellations Virgo and Corvus, but Saturnleaves the brightest &star& trail.The meteor streaks, one bright and one faint, are nearly parallelabove and right of center in the frame.Fittingly, the old cistern structure in the foreground liesabove the now.Known as a city of many gates, Qumis (in Greek history),was founded 2300 years ago in ancient Persia.
说明：对于北半球的天空观测者们来说，象限仪座流星雨也是一年一度的重要天文事件。通常流星雨的高峰期会出现在月日的凌晨时分。流星雨以其在天空中的辐射点位置命名象限仪座。这个方位位于如今武仙座、牧夫座和天龙座的边缘附近。在这张印象深刻的延时影像中两颗象限仪座流星轨迹划过了室女座和乌鸦座内的恒星留下的轨迹，但影像中最明亮的是土星的星迹。两道轨迹，一明一暗，平行于影像的中央右上方。恰好，影像前景中的废气的水塔位于早已被掩埋的
呵呵 25 加 25&&木有人明白啊
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2011 January 15
A Total Eclipse at the End of the World
Credit & Copyright: ()
Explanation:
Would you go to the end of the world to see a total eclipse of the Sun?If you did, would you be surprised to find someone else In 2003, the Sun, the Moon, Antarctica, and two photographers all lined up in during an unusual.&&Even given the extreme location, a group of ventured near thebottom of the world to momentarydisappearance of the .&&One of the treasures collected was the -- a composite of four separate imagesdigitally combined to realistically simulate how the adaptive human the eclipse.&&As the image was taken, both thepeaked together over an Antarctic ridge.&&In the, theof the Sun became visible around the Moon.&&Quite by accident, another photographer was caughtin one of the images checking his video camera.& &Visible to his left are an equipment bag and a.
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2011 January 16
Globular Star Cluster 47 Tuc
Image Credit &: ()
Explanation: Globular star cluster 47 Tucanae is a jewel of the southern sky.Also , it roams of our Milky Way Galaxyalong with some 200 other .The second brightest globular cluster (after)as seen from planet Earth, it lies about 13,000 light-years away andcan be spotted naked-eye near thein the constellation of.The dense cluster is made up of several million in aonly about 120 light-years across.on the outskirts of the cluster are easy to pick out as yellowish stars inthis .Globular cluster 47 Tuc is also home to exotic star systems.
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2011 January 17
Night and Day above Almost Planet Sounio
Credit & : ()
Explanation:
Has a new planet been discovered?& & What is pictured above is a remarkable 24 hour mosaic surrounding a spot on , , right here on .Images taken at night compose the top half of , with
lasting as long as 11 hours visible.&&Contrastingly, images taken during the day compose the bottom of the image, with the Sun being captured once every 15 minutes.&&The image center shows a
wide angle projection centered on the ground but including gravel, grass, trees, , clouds, crepuscular rays, and even a signature icon of the photographer -- the . as well as several transition shots and expert digital processing eventually culminated in
half of the final two days of last year.
说明：难道又发现了一颗新的行星？上面这张壮观的小时影像是位于希腊苏尼恩岬某一位置拍摄，这当然位于地球上。夜晚拍摄的影像合成于这张影像的上半部分，其中有长达小时的星迹。相反，白天拍摄的影像位于底部，每个太阳之间的时间间隔为分钟。投影到这张影像中央的就像是小王子居住的星球一样，其中包括砾石，草地，树木，圣约翰教堂，云彩，曙暮辉，甚至还有摄影师的签名标志海王庙。在精心策划下，经过数个镜头转换以及专业的数码处理最终在去年的最后两天完成了这张影像。
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2011 January 18
Kona Galaxy Garden
Credit & Copyright: G Kite Aerial Photography by Pierre and Heidy Lesage
Explanation:
How does your galaxy grow?&& to a typical galaxy, this one needs water to flourish. as it appears at the
in , , , a meticulously planned garden spanning about 30 meters provides a relatively accurate
of our Milky Way Galaxy.&&Different
stars, , and even nebulas.Many bright stars visible in Earth's night sky are
surrounding the marked location of the Sun.Plant rows were placed to represent arms of our Galaxy, including the Sun's , the impressive , and the
runs through our , while a
has been built to represent represents the .What a stellar use of space!
说明：你的星系是怎么长大的？与典型的星系相当不同的是，它需要不断地“浇水施肥”。这张影像展现了美国夏威夷科纳的和平庭院圣所，这一精心设计的花园大约有米宽，并相对精确地演绎着我们银河系的画面。不同的植物描述着不同的恒星，球状星团甚至是星云。在地球夜空中许多清晰可辨的明亮恒星都被描绘成围绕在“太阳”周围的叶子。植物的排列代表着我们星系的旋臂，包括太阳所处的猎户臂，还有壮观的人马臂，以及一丁点儿的矩尺臂。一道小星系棒贯穿于我们星系中央，而喷泉代表着中央的黑洞。这是多么美妙的空间利用啊！
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2011 January 19
Saturn Storm
,,,,; Color Composite:
Explanation: Late last year, a new, remarkably inSaturn's northern hemisphere. first spotted it in early December, withthe ringed gas giant rising in planet Earth's predawn sky., the Cassini spacecraft was able torecord this close-up of the from a distance of 1.8 millionkilometers on December 24th.Over time, the storm, spreadingsubstantially in longitude,and far around the planet.thin rings are also seen slicing acrossthis
view,casting broad shadows on the planet's southern hemisphere.
说明：去年的晚些时候，在土星的北半球出现了一次极为壮观的明亮风暴。随着光环气态巨行星在地球天空中升起，月初业余天文学家首次关注到它，。绕行土星的卡西尼飞船拍摄到了这张特写映像，月日，在距离万公里的距离上拍摄到的此次复杂风暴。随着时间的推移，风暴也发生演变，在经度方向上散布开来，如今已绕着行星延伸很远。土星的稀薄光环横穿了这张太空影像，并且在土星的南半球上投下了宽带阴影。
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2011 January 20
The Once and Future Stars of Andromeda
Credit and Copyright:PACS/SPIRE/J.Fritz(U.Gent) //EPIC/W.Pietsch(MPE)
Explanation: The big, beautiful ,aka M31, is a spiral galaxy amere 2.5 million light-years away.Two space-based observatories have combined to producethis intriguing composite image of Andromeda,at wavelengths outside the.follows the locations of this galaxy's.In reddish hues, image data from the largeobservatory traces enormous lanes of dust,warmed by stars, sweeping along Andromeda's spiral arms.The dust, in conjunction with the galaxy's interstellar gas,comprises the raw material for future.X-ray data from the observatory in bluepinpoint Andromeda's star systems.These systems likely contain neutron stars or stellar massblack holes that represent final stages in stellar evolution.More than twice the size of our ,the Andromeda Galaxy is over 200,000 light-years across.
说明：巨大而又美丽的仙女座星系（），是一个距离我们近万光年的旋涡星系。两架太空天文台拍摄到的数据合成了这张绚丽的仙女座星系影像，其波段超出了可见光。这张壮观的影像记录了该星系过去和未来恒星的位置。红色辉光影像数据来源于大型赫歇尔红外天文台，其中拍摄到了被周围的恒星激发了的大量尘埃，并沿着仙女座旋臂分布。尘埃与星系的内的气体组成未来恒星诞生所需的最初物质。蓝色的射线数据来自于天文台，显示的是仙女座星系内的射线双星系统。这些系统内可能包含中子星或者类似恒星质量的黑洞，这代表着恒星演变的最后阶段。仙女座星系大小超过了万光年宽，是我们银河系规模的两倍多。（陈昌）
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2011 January 21
Alnitak, Alnilam, Mintaka
Image Credit &:
Explanation: ,,and,are the bright bluish starsfrom east to west (left to right) along the diagonal inthis gorgeous cosmic vista.Otherwise known as the, thesethree blue supergiant stars are hotter and much moremassive than the Sun.They lie about 1,500 light-years away, born well-studied interstellar clouds.In fact, clouds of gas and dust adrift in this region haveintriguing and some surprisingly familiar shapes, including thedark
nearAlnitak at the lower left.The
Nebulaitself lies off the bottom of this colorful star field.Recorded last December with a modified digital SLR camera and smalltelescope, the well-planned,spans about 4 degrees on the sky.
说明：在这张绚丽的宇宙影像中，明亮的蓝色恒星参宿一，参宿二，参宿三沿着对角线从东到西（从左至右）依次排开。这就是著名的猎户座腰带。三颗蓝色超巨星比太阳温度更高，质量更大。距离我们大约光年远，诞生于著名的猎户座星际分子云内。事实上，这个区域内气体和尘埃云还有些迷人而又熟悉的形状，包括黑暗的马头星云，以及在左下方参宿一附近的火焰星云。著名的猎户座星云本身位于这片色彩斑斓的星场底部。在去年月利用先进的数码相机和小型望远镜拍摄到的两张影像在天空中覆盖约度。
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2011 January 22
Polar Ring Galaxy NGC 660
Image Credit &:
Explanation: NGC 660 lies near the center of,swimming in the boundaries of the .Over 20 million light-years away, its peculiar appearance marks it as.A rare galaxy type, polar ring galaxies have a substantial populationof stars, gas, and dust nearly perpendicularto the plane of the galactic disk. could have been caused by the chance captureof material from a passing galaxy by the disk galaxy, with the captureddebris strung out in a rotating ring. can be usedto explore the shape of the galaxy's otherwise unseen by calculating the gravitationalinfluence on the rotation of the ring and disk.Broader than the disk, NGC 660's ring spans about 40,000 light-years.
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今日为视频,墙内用户似乎无法观看,暂停...
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2011 January 24
Phobos' South Pole from Mars Express
() et al., , ,
Explanation:
Where on this moon would you land?The moon
is not Earth's moon but , the closest moon to the planet Mars.&& is so close to Mars that it is expected to break up and crash into the red planet within the next 100 million years.Earlier just this year, however, 's
mission took detailed images of the area surrounding Phobos' South Pole.Visible on the small moon's
are many , long chains of craters, and strange streaks.&&Large , which looms on the far right, was also visible in the
taken last year.&&This and other
of Phobos are so , resolving items even 10-meters across, that they are useful for examining
of the future Phobos-Grunt mission.The Russian
is scheduled to launch toward
later this year and return surface samples in 2014.
说明：在这颗卫星上，你会选择在哪里着陆？上面影像中的卫星并不是月球，而是火卫一，它也是距离火星最近的卫星。因为火卫一距离火星很近，所以它被认为将在一亿年后会撞向这颗红星的星球。今年初，欧空局的火星快车对火卫一南极地区拍摄了一组清晰影像。可见小卫星异常阴暗的表面上有许多圆形陨石坑，陨坑链，以及奇怪的条纹。位于影像最右侧的斯迪克尼大陨石坑同样出现在去年拍摄的火卫一北极影像中。这张影像和其它类似的火卫一影像分辨率都很清晰，能解析到甚至米以内的范围，非常有利于检测未来使命适合着陆的地点。俄罗斯的飞船预计将在今年末发往火卫一，并于年采回表面样本返回地球。
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2011 January 25
The Rippled Red Ribbons of SNR 0509
Credit: ,, and the Team(/); Acknowledgment: ()
Explanation:
What is causing the picturesque ripples of supernova remnant SNR ?The ripples, as well as the greater nebula, were in unprecedented detail by thein 2006 and again late last year.&&The red color was recoded by a Hubble filter that left only the light emitted by.The precise reason for the ripples remains unknown, with two considered origin hypotheses relating them to relatively dense portions of either ejected or impacted gas.&&The reason for the broaderis more clear, with expansion speed and light echos relating it to a classicexplosion that must have occurred about 400 years earlier.currently spans about 23and lies about 160,000 light years away toward the constellation of the () in the.The expanding ring carries with it another great mystery, however: why wasn't thisseen 400 years ago when light from the initial blast should have passed the Earth?
说明：是什么让超新星遗迹具有如此独特的波纹？年哈勃太空望远镜的影像中拍摄到了这些波纹与巨大的星云，去年年底再度观测到了它的身影。影像通过哈勃滤光片拍摄，仅让氢原子放射出的红色辉光通过。波纹的精确起因如今仍旧未知，两种起源假说与相对致密气体和喷流气体有关。造成更宽的红色炽热光环的起因十分明显，膨胀的速度和光波被认定为典型的类型超新星爆发，该超新星爆发大约发生在年前。如今大小约光年，位于剑鱼座方向上的大麦哲伦星云内，距离我们大约万光年远。扩张中的光环还存在着另一个谜团，这颗年前爆发的超新星，最初爆发发出的光为何没有地球上的文字记载？
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2011 January 26
The Whirlpool Galaxy in Infrared Dust
, , M. Regan & B. Whitmore (), & R. Chandar ();
Optical: , , S. Beckwith (), & the
Explanation:
How do spiral galaxies form stars?To help find out, the
imaged the nearby photogenic spiral
to highlight the dust that traces the dense gas that best forms stars.To further isolate the , much of the optical light from stars has also been .&&The
shows swirling and intricate patterns on the longest scales, while numerous bright clumps of previously hidden
appear on the smaller scales.To see the
for comparison, run your cursor over the above image.Anyone with a good pair of
can see the
toward the constellation of the
(). M51 lies about 30 million light years away, while the above imaged area spans about 15,000
from top to bottom.Astronomers speculate that M51's
structure is primarily due to its gravitational interaction with .
说明：旋涡星系内是如何形成恒星的？为了帮助找出答案，哈勃太空望远镜利用红外光对邻近的旋涡星系进行了拍摄，影像突出了沿着致密气体分布的尘埃，而这些尘埃就是形成恒星的原料。为了更好地分辨出尘埃，恒星发出的部分可见光经数码移除。这张独特的影像在最大范围内显示了旋涡及错综复杂的样式，同时在较小范围内显示了许多先前隐蔽的明亮星团组合。通过观察光学清晰影像来进行对比，将鼠标放到上面的影像上即可显示。只要拥有一副双筒望远镜就能在猎犬座方向上看到旋涡星系，距离我们大约万光年远，上面的影像上下大约覆盖万光年。天文学家推测的旋涡结构主要由于其与附近较小星系的引力作用而造成。
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2011 January 27
Hidden Treasures of M78
Explanation:
isn't reallyhiding in planet Earth's night sky.About 1,600 light-years away and in the nebula rich,the large, bright, is well-known to telescopic skygazers.But this gorgeous image of M78 wasselected as the winner of the astrophotography competition.Held by the European Southern Observatory (ESO), the competitionchallenged amateur astronomers to process data from ESO's astronomicalarchive in search of hidden cosmic gems.shows off amazing details within M78 (center)embraced in dark, dusty clouds, along with a smaller reflectionnebula in the region, NGC 2071 (top).Yellowish and even more compact, the recently discovered,variable is prominent in the scene below and right of center.Based on data from ESO's WFI camera and 2.2 meter telescope at,Chile, this image spans just over 0.5 degrees on the sky.That corresponds to 15 light-years at the estimated distance of.
说明：并没有隐匿于地球的夜空中。它距离我们大约光年远，位于星云富集的猎户座内，这巨大又明亮的反射星云是望远镜观测者们所熟悉的。但这张绚丽的影像获选“年隐匿的瑰宝”天文摄影大赛冠军。此次摄影比赛由欧南台（）举办，要求业余天文学家对欧空局的天文存档资料进行处理，以寻找隐藏在宇宙中的瑰宝。获奖作品凸显了埋藏在黑暗尘埃云内蓝色（中央）的细节，该区域较小的反射星云（顶部）也出现在影像中。最近发现的变光星云位于影像右下方的麦克尼尔星云，黄色的星云显得更为致密。利用的相机和位于智利的米望远镜拍摄到的数据合成的这张影像在天空中覆盖仅有度。在这个估计的距离上，大小月光年。
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2011 January 28
NanoSail-D
Illustration Credit: courtesy
Explanation: Featured in this artist's illustration, a very thin, 10 square meter reflectivesail on January 20th, becoming the first solar sail spacecraftin low Earth orbit.Often considered the, sailing through space 400 years ago byastronomer Johannes Keplerwho observed comet tails blown by the solar wind.spacecraft designs, like NanoSail-D or the Japanese interplanetary, rely on the small but itself for thrust.Glinting in the sunlight as it circles planet Earth, the NanoSail-Dsolar sail will periodically be bright and easilyvisible to the eye.In fact, skygazers are urged to participate in an ongoing.The images will help NASA monitor the satellite before it reentersthe atmosphere in April or May.
说明：出现在这张艺术家绘制图片中的是的，月日它最终展开为一架面积仅有平方米宽的稀薄反射风帆，并被称为第一架于地球低轨上飞行的太阳帆船。年前天文学家约翰尼斯开普勒观察到了彗尾是由太阳风吹出的，从而提出了太阳风帆的想法，当时被认为是科幻小说情节。类似或者日本的行星际飞船
2011 January 29
Opportunity at Santa Maria Crater
Credit: ,,,;Image Processing: Marco Di Lorenzo,
Explanation: on the surface of,Mars exploration rover Opportunity now stands near therim of 90 meter wide.Remarkably, Opportunity and its fellow were initially for a 3 monthlong primary mission.Still exploring, the golf cart-sized robot and shadow (far right)appear in the foreground of this panoramic view of its.The mosaic was constructed using images from the rover's navigationcamera.On its,Opportunity can boast
a total of 26.7 kilometers.After investigating Santa Maria crater, controllers plan to haveOpportunity resume a long-term trek toward Endurance crater,a large, 22 kilometer diameter crater about 6 kilometers fromSanta Maria.During coming days, communication with the rover will be moredifficult as Mars moves close to alignment with the Sun as seenfrom planet Earth's.
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2011 January 30
Gibbous Europa
Credit: ,,;reprocessed by
Explanation:
Although the of this moon might appear familiar, the moon itself might not.In fact, this showspart of's moon.The robot spacecraft captured mosaic during itsmission orbiting Jupiter from 1995 - 2003.Visible are
of, that run to the horizon, andthat likely contain both ice and dirt. isparticularly apparent near the,where it casts . is nearly the same size as, but much smoother, showing few or.Evidence and images from the,indicatedthat liquid oceans
below the icysurface.To test speculation that these seas hold life, NASA and havestarted preliminary development of the, a
for launch around 2020 that would further explore Jupiter and in particular Europa.&&If the surface ice is thin enough, a future mission might drop to burrow into the oceansand search for life.
说明：尽管这颗卫星的相位看起来很熟悉，但这并不是月球。事实上，这突出的相位显示的是木卫二部分表面。年年间绕木星飞行的伽利略飞船拍摄了这张影像。可以看到木卫二的平面上出现了众多明亮的冰盖，其裂痕一直延伸到地平线附近，而暗斑内同时拥有冰块和泥土。隆起的山脊在明暗交界线附近出现投影因而显得特别明显。土卫二与月球的大小相似，但表面更为平滑，极少有高地或巨大的碰撞坑。来自伽利略飞船的证据和影像暗示在冰层表面下方或许存在液态海洋。为了证实推断海洋内是否存在生命，和开始着手开发欧罗巴木星系统使命，年将发射一架飞船前往探测木星及木卫二。如果表面冰层够薄，未来使命中还将包括放下小型机器人进入海洋搜寻生命迹象。
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