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2021年09月08日:仙女大星系方向的深空影像-(The Deep Sky Toward Andromeda)
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欢迎来到人生天地间
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2017年11月29日:M42:猎户座大星云-(M42: The Great Orion Nebula)
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2017年08月06日:银河与炸裂的流星-(Milky Way and Exploding Meteor)
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2024年02月11日:直指月亮的火箭烟尘影子-(Rocket Plume Shadow Points to the Moon)
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2023-10-29
2023年10月29日:月偏食-(A Partial Lunar Eclipse)
2023年10月29日:月偏食-(A Partial Lunar Eclipse)--原图下载{mtitle title="月偏食"/}Image Credit & Copyright: Orazio Mezzio说明: 月亮发生了什么事?在昨天,部分的月亮进到地球的影子里。这种情况大约每年会发生一到两次,不过因为月球绕地球的轨道略微侧倾.,所以并不是每个月都会出现。上图为在这次月偏食期间,摄于义大利的二幅猎月之面貌。在左图里,大部分的月面过度曝光,唯有右下角的月表带着熟悉的细节。而同一月面作为对比的右图,除了看起来格外黝黑的右下角之外,大部分的月亮看来正常曝光。当月食发生时,在地球面向月球的半面,都可以看到月食;如果没受到云层遮挡的话,此例月食可见的区域分别是欧洲、非洲、亚洲和澳洲。在明年4月,北美洲可以看到日全食。{lamp/}原文:{mtitle title="A Partial Lunar Eclipse"/}Image Credit & Copyright: Orazio MezzioExplanation: What's happened to the Moon? Within the last day, part of the Moon moved through the Earth's shadow. This happens about once or twice a year, but not every month since the Moon's orbit around the Earth is slightly tilted. Pictured here, the face of a full Hunter's Moon is shown twice from Italy during this partial lunar eclipse. On the left, most of the Moon appears overexposed except for the eclipsed bottom right, which shows some familiar lunar surface details.In contrast, on the right, most of the (same) Moon appears normally exposed, with the exception of the bottom right, which now appears dark.All lunar eclipses are visible from the half of the Earth facing the Moon at the time of the eclipse, but this eclipse was visible specifically from Europe, Africa, Asia, and Australia, clouds permitting.In April, a total solar eclipse will be visible from North America.
2023年10月29日
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2023-04-25
2023年04月25日:南欧上空的北极光-(Northern Lights over Southern Europe)
2023年04月25日:南欧上空的北极光-(Northern Lights over Southern Europe)--原图下载{mtitle title="南欧上空的北极光"/}Image Credit & Copyright: Lorenzo Cordero说明: 在昨晚和前晚,你有看到极光吗?许多并非在地球北极区的人见到了。极光的目睹报告不只来自阿拉斯加的美国北部地区,还来自远在南部的德州和亚利桑那州。在此同时,庞大的极光椭圆也伸展到欧洲和亚洲的上空。上面这幅昨晚摄于西班牙中部的卡塞雷斯镇附近的影像,就记录了该地天空中令人印象深刻的泛红极光。而西班牙南部的部分地区也有极光出没的报导。这些极光,是由几天前发生在太阳上的强烈日冕物质抛射事件(CME)所触发的。来自这例日冕物质抛射的粒子穿过太阳系内围,然后冲撞地球的磁层。从那里,电子和质子沿着北半球的磁场线迴旋而下,撞击地球大气中的氧及氮,造成了美丽的极光。我们异常活跃的太阳,未来可能常会为偏南近赤道地区的天空带来北极光。{lamp/}原文:{mtitle title="Northern Lights over Southern Europe"/}Image Credit & Copyright: Lorenzo CorderoExplanation: Did you see an aurora over the past two nights?Many people who don't live in Earth's far north did. Reports of aurora came in not only from northern locales in theUSA as Alaska, but as far south as Texas and Arizona.A huge auroral oval extended over Europe and Asia, too.Pictured, an impressively red aurora was captured last night near the town of Cáceres in central Spain.Auroras were also reported in parts of southern Spain.The auroras resulted from a strong Coronal Mass Event (CME) that occurred on the Sun a few days ago.Particles from the CME crossed the inner Solar System before colliding with the Earth's magnetosphere. From there, electrons and protons spiraled down the Earth's northern magnetic field lines and collided with oxygen and nitrogen in Earth's atmosphere, causing picturesque auroral glows.Our unusually active Sun may provide futureopportunities to see the northern lights in southern skies.
2023年04月25日
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2022-11-07
2022年11月07日:塔吉克上空的月全食-(A Total Lunar Eclipse Over Tajikistan)
2022年11月07日:塔吉克上空的月全食-(A Total Lunar Eclipse Over Tajikistan)--原图下载2022 November 7 {mtitle title="塔吉克上空的月全食"/}Video Credit & Copyright: Jean-Luc Dauvergne(Ciel et Espace); Music: Valère Leroy & Sophie Huet(Space-Music)说明: 如果满月突然暗去,那你能看见甚么?上面这部2011年摄于塔吉克的月全食缩时影片 ,可以解开这个疑惑。在月全食期间,地球运行到月亮与太阳之间,造成月亮突然变暗。不过,因为地球大气折射了部分阳光,所以月亮并不会完全黝黑。在这部主题影片开头时,画面看似是阳光普照的白天,但其实是千真万确的黑夜,大地受到满月的照耀。随着月亮进入月食阶段,明月变暗,背景恒星显现并倒映在湖面上。而最壮观的画面,则是全食月周围的天空突然满是繁星,连壮丽的银河盘面也清楚可见。紧接着影片的视野拉近,最后的画面更突显了全食月附近的老鹰星云、天鹅星云、三叶星云与礁湖星云。在月食开始的2小时后,月亮从地球影子里复现,它的炫光再次宰制天空。端视你与国际换日线的相对位置而异,在今天或明天将再发生一例月全食,不过全食可见的区域主要在亚洲东北角及北美洲的西北部。{lamp/}原文:{mtitle title="A Total Lunar Eclipse Over Tajikistan"/}Video Credit & Copyright: Jean-Luc Dauvergne(Ciel et Espace); Music: Valère Leroy & Sophie Huet(Space-Music)Explanation: If the full Moon suddenly faded, what would you see?The answer was recorded in a dramatic time lapsevideo taken during the total lunareclipse in 2011 fromTajikistan.During atotal lunar eclipse, the Earth moves between the Moon and the Sun, causing the moon to fade dramatically.The Moon never gets completely dark, though, since the Earth's atmosphererefracts some light.As the featured video begins, the scene may appear to be daytime and sunlit, but actually it is a nighttime and lit by the glow of the full Moon.As the Moon becomes eclipsed and fades, background stars become visible and here can be seen reflected in a lake.Most spectacularly, thesky surrounding the eclipsed moonsuddenly appears to befull of stars and highlighted by the busy plane of ourMilky Way Galaxy.The sequence repeats with a closer view, and the final image shows the placement of the eclipsed Moon near theEagle,Swan,Trifid, andLagoon nebulas.Nearly two hours after the eclipse started, the moon emerged from the Earth's shadow and its bright full glare again dominated the sky.Later today or tomorrow, depending on your location relative to the International Date Line, a new total lunar eclipse will take place -- with totality being primarily visible over northeastern Asia and northwestern North America.
2022年11月07日
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2022-02-13
2022年02月13日:夜晚的地球-(Earth at Night)
2022年02月13日:夜晚的地球-(Earth at Night)--原图下载{mtitle title="夜晚的地球"/}Image Credit: NASA, Suomi NPP VIIRS; Data: Miguel Román (NASA GSFC); Processing: Joshua Stevens说明: 这是地球在夜间的面貌。你能找到你最锺爱的国家或城市吗?很出乎意料的,有都市灯光作为导引,这个工作并不难。人为的灯火突显了地球表面高度开发或人口特别密集的区域,包括:欧洲沿岸、美国东岸和日本。许多大都会紧邻河流或海洋,目的是要利用低廉的船泊运输来交换货物。影像里,特别暗黑的区域则出现在南美洲、非洲、亚洲和澳洲的中部。这张暱称为“黑弹珠”的主题照片,是在2016年使用Suomi NPP 卫星先前取得的数百幅影像组合重製而成。{lamp/}原文:{mtitle title="Earth at Night"/}Image Credit: NASA, Suomi NPP VIIRS; Data: Miguel Román (NASA GSFC); Processing: Joshua StevensExplanation: This is what the Earth looks like at night. Can you find your favorite country or city? Surprisingly, city lights make this task quite possible. Human-made lights highlight particularly developed or populated areas of the Earth's surface, including the seaboards of Europe, the eastern United States, and Japan. Many large cities are located near rivers or oceans so that they can exchange goods cheaply by boat. Particularly dark areas include the central parts of South America, Africa, Asia, and Australia.The featured image, nicknamed Black Marble, is actually a composite of hundreds of pictures remade in 2016 from data taken by the orbiting Suomi NPP satellite.
2022年02月13日
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2019-12-27
2019年12月27日:日偏食序列与倒影-(A Partial Solar Eclipse Sequence Reflected)
2019年12月27日:日偏食序列与倒影-(A Partial Solar Eclipse Sequence Reflected)--原图下载2019年12月27日:日偏食序列与倒影-(A Partial Solar Eclipse Sequence Reflected)--原图下载{mtitle title="日偏食序列与倒影"/}Image Credit & Copyright: Majid Ghohroodi说明: 太阳发生了什么事?假如时地皆宜的话,你昨天可见到月掩日所造成的日出带食。或许如这幅昨天摄于伊朗.索坦盐湖的精彩六格影像序列所示,同时看到了食日及其倒影的不寻常景观。影像中,通常泛白的太阳,大部分的蓝光受到地平面附近的大气之散射,而变得较暗且偏红。昨天在亚洲和澳洲的大部分地区,都能见到日偏食。而位在地表一道狭窄区域内的人,如果天空清朗的话,更有幸见到日环食─月盘镶在日盘内所形成的火之环奇景。下个日环食事件,将出现在2020年6月。{lamp/}原文:{mtitle title="A Partial Solar Eclipse Sequence Reflected"/}Image Credit & Copyright: Majid GhohroodiExplanation: What's happened to the Sun? Yesterday, if you were in the right place at the right time, you could see the Sun rise partially eclipsed by the Moon.The unusual sight was captured in dramatic fashion in the featured image not only directly, in a sequence of six images, but also in reflection from Soltan Salt Lake in Iran.The almost-white Sun appears dimmer and redder near the horizon primarily because Earth's atmosphere preferentially scatters away more blue light. Yesterday's partial solar eclipse appeared in the sky over much of Asia and Australia, but those with a clear enough sky in a thin band across the Earth's surface were treated to a more complete annular solar eclipse -- where the Moon appears completely surrounded by the Sun in what is known as a ring of fire.The next annular solar eclipse will occur in 2020 June.
2019年12月27日
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2017-07-09
2017年07月09日:夜晚的地球-(Earth at Night)
2017年07月09日:夜晚的地球-(Earth at Night)--原图下载{mtitle title="夜晚的地球"/}Image Credit : NASA,NOAA NGDC,Suomi-NPP,Earth Observatory,Data and Processing: Chris Elvidge and Robert Simmon说明: 你能找到你最锺爱的国家或城市吗?颇出乎意料的,在这幅夜间的全球影像上,使用人为灯光作为导引,这个工作并不难。人为的灯火突显了地球表面高度开发或人口特别密集的区域,包括:欧洲沿岸、美国东岸和日本。许多大都市多紧邻河流或海洋,目的是要靠着低廉的船泊运输来交换货物。特别黝黑的区域则是在南美洲、非洲、亚洲和澳洲的中部。上面这张组合主题影像,是由Suomi-NPP卫星从824公里高的绕极轨道上,使用可见光─红外光相机及辐射计套件(VIIRS)在2012年4月到10月所拍摄的无云夜景图组合而成。{lamp/}原文:{mtitle title="Earth at Night"/}Image Credit : NASA,NOAA NGDC,Suomi-NPP,Earth Observatory,Data and Processing: Chris Elvidge and Robert SimmonExplanation: Can you find your favorite country or city? Surprisingly, on this world-wide nightscape, city lights make this task quite possible. Human-made lights highlight particularly developed or populated areas of the Earth's surface, including the seaboards of Europe, the eastern United States, and Japan. Many large cities are located near rivers or oceans so that they can exchange goods cheaply by boat. Particularly dark areas include the central parts of South America, Africa, Asia, and Australia. The featured composite was created from images that were collected during cloud-free periods in April and October 2012 by the Suomi-NPP satellite, from a polar orbit about 824 kilometers above the surface, using its Visible Infrared Imaging Radiometer Suite (VIIRS).
2017年07月09日
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