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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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2017年11月29日:M42:猎户座大星云-(M42: The Great Orion Nebula)
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2018-06-10
2018年06月10日:哈伯太空望远镜拍摄的猫眼星云-(The Cat's Eye Nebula from Hubble)
2018年06月10日:哈伯太空望远镜拍摄的猫眼星云-(The Cat's Eye Nebula from Hubble)--原图下载{mtitle title="哈伯太空望远镜拍摄的猫眼星云"/}Image Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI/AURA)说明: 对某些人来说,它看来像一只猫眼。不过,这团隔着星际空间凝视着地球的迷人猫眼星云,离我们足足有3千光年远。猫眼星云 (NGC 6543) 是个典型的行星状星云,是一颗类太阳恒星最后短暂而绚烂的谢幕式。这团星云内滨临死亡的中心星,可能在一系列规律的抽搐中抛掷出外 层物质,因而形成外围简单同心球壳状的气壳。不过,形态较複杂的美丽内围结构,其成因仍有许多不明之处。在这幅经过数位锐利化的清晰哈伯太空望远镜影像里,中心这只宇宙眼的宽度超过半光年。而在凝视猫眼星云之时,天文学家也等同看见了我们太阳的宿命;在未来,太阳也会迎来它的行星状星云阶段,只不过……这得再等个50亿年。{lamp/}原文:{mtitle title="The Cat's Eye Nebula from Hubble"/}Image Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI/AURA)Explanation: To some, it may look like a cat's eye. Thealluring Cat's Eyenebula, however, lies three thousand light-years from Earth across interstellar space.A classicplanetarynebula, the Cat's Eye (NGC 6543) represents a final, briefyetglorious phase in the life of a sun-like star.This nebula's dying central star may have produced the simple,outer pattern of dustyconcentric shellsby shrugging offouterlayers in a series of regular convulsions.But the formation of the beautiful, more complexinner structures is not well understood.Seen so clearly inthis digitally sharpened Hubble Space Telescope image,the truly cosmic eye is over half a light-year across.Of course,gazing into this Cat's Eye,astronomers may well be seeingthe fate of our sun, destined to enter its ownplanetary nebulaphase of evolution ... in about 5 billion years.
2018年06月10日
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2017-01-30
2017年01月30日:哈伯太空望远镜拍摄的猫眼星云-(The Cat's Eye Nebula from Hubble)
2017年01月30日:哈伯太空望远镜拍摄的猫眼星云-(The Cat's Eye Nebula from Hubble)--原图下载{mtitle title="哈伯太空望远镜拍摄的猫眼星云"/}Image Credit: NASA, ESA, Hubble, HLA; Reprocessing & Copyright: Raul Villaverde说明: 对某些人来说,它看来像一只猫眼睛。不过,这团隔着星际空间凝视着地球的迷人猫眼星云,离我们足足有3千光年远。猫眼星云 (NGC 6543) 是个典型的行星状星云,是一颗类太阳恒星最后短暂而绚烂的谢幕式。星云内滨临死亡的中心星,可能在一系列规律的抽搐中抛掷出外层物质,因而形成外围简单同心圆状的气壳。不过,形态较複杂的美丽内围结构,其成因仍有许多不明之处。在这幅重新处理过的哈伯太空望远镜数位影像里,中心这只宇宙眼的宽度超过半光年。而在望进猫眼星云之时,天文学家也等同看见了我们太阳的宿命;将来,它也会演化到行星状星云阶段,只不过……这得再等个50亿年。{lamp/}原文:{mtitle title="The Cat's Eye Nebula from Hubble"/}Image Credit: NASA, ESA, Hubble, HLA; Reprocessing & Copyright: Raul VillaverdeExplanation: To some, it may look like a cat's eye. Thealluring Cat's Eyenebula, however, lies three thousand light-years from Earth across interstellar space.A classicplanetarynebula, the Cat's Eye (NGC 6543) represents a final, briefyetglorious phase in the life of a sun-like star.This nebula's dying central star may have produced the simple,outer pattern of dustyconcentric shellsby shrugging offouterlayers in a series of regular convulsions.But the formation of the beautiful, more complexinner structures is not well understood.Seen so clearly inthis digitally reprocessed Hubble Space Telescope image,the truly cosmic eye is over half a light-year across.Of course,gazing into this Cat's Eye,astronomers may well be seeingthe fate of our sun, destined to enter its ownplanetary nebulaphase of evolution ... in about5 billion years.
2017年01月30日
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2014-11-09
2014年11月09日:哈伯太空望远镜拍摄的猫眼星云-(The Cat's Eye Nebula from Hubble)
2014年11月09日:哈伯太空望远镜拍摄的猫眼星云-(The Cat's Eye Nebula from Hubble)--原图下载{mtitle title="哈伯太空望远镜拍摄的猫眼星云"/}Image Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI/AURA)说明: 对某些人来说,它看来像一只猫眼睛。不过,这团隔着星际空间望着地球的猫眼星云,离我们足足有3千光年远。猫眼星云是个典型的行星状星云,是一颗类太阳恒星最后短暂而灿烂的谢幕式。星云内滨临死亡的中心星,可能在一系列规律的抽搐中抛掷出外层物质,因而形成外围简单同心圆状的气壳。不过,形态较複杂的美丽内围结构,其成因仍有许多不明之处。在这幅清晰的哈伯太空望远镜影像里,中心这只宇宙眼的宽度超过半光年。而在凝视着猫眼星云之时,天文学家也等同看见了我们太阳的宿命;将来,它也会演化到行星状星云阶段,只不过……这得再等个50亿年。{lamp/}原文:{mtitle title="The Cat's Eye Nebula from Hubble"/}Image Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI/AURA)Explanation: To some, it may look like a cat's eye. Thealluring Cat's Eyenebula, however, lies three thousand light-years from Earth across interstellar space.A classicplanetarynebula, the Cat's Eye (NGC 6543) represents a final, briefyetglorious phase in the life of a sun-like star.This nebula's dying central star may have produced the simple,outer pattern of dustyconcentric shellsby shrugging offouterlayers in a series of regular convulsions.But the formation of the beautiful, more complexinner structures is not well understood.Seen so clearly inthis digitally sharpened Hubble Space Telescope image,the truly cosmic eye is over half a light-year across.Of course,gazing into this Cat's Eye,astronomers may well be seeingthe fate of our sun, destined to enter its ownplanetary nebulaphase of evolution ... in about5 billion years.
2014年11月09日
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2007-05-13
2007年05月13日:哈伯望远镜的猫眼星云-(The Cat's Eye Nebula from Hubble)
2007年05月13日:哈伯望远镜的猫眼星云-(The Cat's Eye Nebula from Hubble)--原图下载{mtitle title="哈伯望远镜的猫眼星云"/}Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI/AURA)说明: 隔着星际空间凝视着我们的猫眼星云,距离地球有三千光年远。猫眼星云是个典型的行星状星云,为一颗类似太阳恒星生命周期中,最后、短暂但灿烂的谢幕式。这个行星状星云内,即将死亡的中心星,可能在一系列规律的爆发中,不停地抛掷出外层物质,因此形成了星云外围同心圆状的尘埃壳。不过,形态较複杂的美丽内围结构之成因,现在仍未能全盘了解。在这幅清晰的哈伯太空望远镜影像里,中央宇宙级猫眼的大小约有半光年。藉着探索猫眼星云,天文学家也等于看见我们太阳的宿命,将来,它也会演化到行星状星云阶段,只不过,这还得再等五十亿年。{lamp/}原文:{mtitle title="The Cat's Eye Nebula from Hubble"/}Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI/AURA)Explanation: Staring across interstellar space, thealluring Cat's Eyenebula lies three thousand light-years from Earth.A classicplanetarynebula, the Cat's Eye (NGC 6543) representsa final, briefyetglorious phase in the life of a sun-like star.This nebula's dying central star may have produced the simple,outer pattern of dustyconcentric shellsby shrugging off outer layers in a series of regular convulsions.But the formation of the beautiful, more complexinner structures is not well understood.Seen so clearly inthis sharp Hubble SpaceTelescope image,the truly cosmic eye is over half a light-year across. Of course,gazing into the Cat's Eye,astronomers may well be seeingthe fate of our sun, destined to enter its ownplanetary nebula phase ofevolution ... in about5 billion years.
2007年05月13日
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2005-09-24
2005年09月24日:猫眼星云-(Cat's Eye)
2005年09月24日:猫眼星云-(Cat's Eye)--原图下载{mtitle title="猫眼星云"/}Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI /(AURA)说明: 隔着星际空间凝视着我们的猫眼星云,距离地球有三千光年远。猫眼星云是个典型的行星状星云,代表一颗类似太阳恒星一生中短暂但灿烂的落幕式。星云濒临死亡的中心星,可能在一系列规律的爆发中抛出外层物质,造成了星云外围简单同心尘埃壳。不过,形态较複杂的美丽内围结构之成因仍未能全盘了解。在这幅清晰的哈伯太空望远镜影像里,中央宇宙级猫眼的大小约有半光年。藉着望进猫眼星云,天文学家可能也看见我们太阳的宿命,将来它也会演化到行星状星云阶段,只不过,…这还得再等五十亿年。{lamp/}原文:{mtitle title="Cat's Eye"/}Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI /(AURA)Explanation: Staring across interstellar space, thealluring Cat's Eyenebula lies three thousand light-years from Earth.A classicplanetarynebula, the Cat's Eye (NGC 6543) representsa final, briefyetglorious phase in the life of a sun-like star.This nebula's dying central star may have produced the simple,outer pattern of dustyconcentric shellsby shrugging off outer layersin a series of regular convulsions.But the formation of the beautiful, more complexinner structures is not well understood.Seen so clearly inthis sharp Hubble SpaceTelescope image,the truly cosmic eye is over half a light-year across. Of course,gazing into the Cat's Eye,astronomers may well be seeingthe fate of our sun, destined to enter its ownplanetary nebula phase ofevolution ... in about5 billion years.
2005年09月24日
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2004-09-10
2004年09月10日:猫眼(Cat's Eye)-(Cat's Eye)
2004年09月10日:猫眼(Cat's Eye)-(Cat's Eye)--原图下载{mtitle title="猫眼(Cat's Eye)"/}Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI /(AURA)说明: 凝视星际空间,一个吸引神的猫眼星云座落在距离三千光年远的地方。一个典型的行星状星云,猫眼(NGC 6543)代表一颗类太阳恒星,最后短暂及绚烂的生命阶段。行星状星云快死掉的中心恒星会一次次向外喷发星尘状的壳层,经过一连串的喷发,形成一层层美丽的图案。虽然形成的过程很精采,但是複杂的内层结构仍不是很清楚。透过哈伯太空望远镜,我们可以清楚的观察,实际上行星状星云的半径仅为一个光年。当然,透过猫眼(Cat's Eye),天文学家也看到我们太阳的最后命运,大约五十亿年后,演化到行星状星云的阶段,{lamp/}原文:{mtitle title="Cat's Eye"/}Credit: NASA,ESA,HEIC, andThe Hubble Heritage Team(STScI /(AURA)Explanation: Staring across interstellar space, thealluring Cat's Eyenebula lies three thousand light-years from Earth.A classicplanetarynebula, the Cat's Eye (NGC 6543) representsa final, briefyetglorious phase in the life of a sun-like star.This nebula's dying central star may have produced the simple,outer pattern of dustyconcentric shellsby shrugging off outer layersin a series of regular convulsions.But the formation of the beautiful, more complexinner structures is not well understood.Seen so clearly inthis sharp Hubble SpaceTelescope image,the truly cosmic eye is over half a light-year across. Of course,gazing into the Cat's Eye,astronomers may well be seeingthe fate of our sun, destined to enter its ownplanetary nebula phase ofevolution ... in about5 billion years.
2004年09月10日
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