标签: 星云

哈勃太空望远镜用闪耀着星光的织锦来纪念观测太空30周年

NASA为庆祝哈勃太空望远镜30年来揭开太空之美和神秘之处,近日公布了一幅令人震惊的新图像,展示了邻近星系的一场恒星诞生的风暴。 在这张哈勃拍摄的照片中,巨大的红色星云(NGC 2014)和它较小的蓝色邻居(NGC 2020)是位于16.3万光年之外的银河系卫星星系大麦哲伦星云中一个巨大的恒星形成区域的一部分。这幅图片之所以被称为“宇宙暗礁”是因为它看起来像海底世界。 为纪念哈勃太空望远镜观测太空30周年,NASA日前发布了一幅彩色图像,这幅图像酷似一个充满恒星的海底世界的宇宙版本。在这张哈勃拍摄的照片中,巨大的红色星云(NGC 2014)和它较小的蓝色邻居(NGC 2020)是位于16.3万光年之外的银河系卫星星系大麦哲伦星云中一个巨大的恒星形成区域的一部分。这张照片被称为“宇宙暗礁”,因为NGC 2014就...

鹰状星云红外线的创造之柱

Human eyes can see only a small portion of the range of radiation given off by the objects around us. We call this wide array of radiation the electromagnetic spectrum, and the part we can see visible light. In this Hubble Space Telescope image, researchers revisited one of Hubble’s most iconic and popular images: the Eagle Nebula’s Pillars of Creation...

玫瑰星云孕育了恒星

This 2010 image from the Herschel Space Observatory shows dust clouds associated with the Rosette Nebula, a stellar nursery about 5,000 light-years from Earth in the Monoceros, or Unicorn, constellation. Herschel collected the infrared light given out by dust. The bright smudges are dusty cocoons containing massive embryonic stars, which will grow up to 10 t...

光、影与尘埃

2020 March 5 The Light, the Dark, and the Dusty Image Credit & Copyright: Casey Good Explanation: This colorful skyscape spans about four full moons across nebula rich starfields along the plane of our Milky Way Galaxy in the royal northern constellation Cepheus. Near the edge of the region’s massive molecular cloud some 2,400 light-years away, bri...

斯皮策拍摄的狼蛛星云

This image from NASA’s Spitzer Space Telescope shows the Tarantula Nebula in three wavelengths of infrared light, each represented by a different color. The magenta-colored regions are dust composed of molecules called polycyclic aromatic hydrocarbons (PAHs), which are also found in ash from coal, wood and oil fires on Earth. PAHs emit in multiple wave...

SOFIA揭示了天鹅星云如何诞生

欧米茄(Omega)或天鹅星云是我们银河系中最明亮,质量最大的恒星形成区之一,其形状类似于我们今天看到的天鹅脖子。新的观测表明,它的区域是在多个恒星诞生时代分开形成的。来自平流层红外天文观测台(SOFIA)的新图像正在帮助科学家记录这个经过深入研究的星云的历史和演化。 “当今的星云拥有揭示其过去的秘密;我们只需要能够发现它们即可。”位于加州硅谷的NASA艾姆斯研究中心SOFIA科学中心的大学空间研究协会科学家WanggiLim说。“SOFIA使我们能够做到这一点,因此我们可以理解为什么星云会呈现出今天的样子。” 揭开星云的秘密并非易事。它位于5000光年之外的人马座。它的中心充满了银河系中100多颗质量最大的年轻恒星。这些恒星的大小可能是我们的太阳的许多倍,但最年轻的几代恒星正在尘埃和气体的茧中形成,即使用太空...

M20与M21

2019 December 30 Messier 20 and 21 Image Credit & Copyright: Stanislav Volskiy, Chilescope Team Explanation: The beautiful Trifid Nebula, also known as Messier 20, is easy to find with a small telescope in the nebula rich constellation Sagittarius. About 5,000 light-years away, the colorful study in cosmic contrasts shares this well-composed, nearly 1 de...

雪花星团

Newborn stars, hidden behind thick dust, are revealed in this image of a section of the so-called Christmas Tree Cluster from NASA’s Spitzer Space Telescope. The newly revealed infant stars appear as pink and red specks toward the center and appear to have formed in regularly spaced intervals along linear structures in a configuration that resembles th...

船底座星云的“神秘山”

Within the tempestuous Carina Nebula lies “Mystic Mountain.” This three-light-year-tall cosmic pinnacle, imaged by the Hubble Space Telescope’s Wide Field Camera 3 in 2010, is made up primarily of dust and gas, and exhibits signs of intense star-forming activity. The colors in this composite image correspond to the glow of oxygen (blue), hydrogen and nitroge...

M42:猎户座星云内部

2019 October 30 M42: Inside the Orion Nebula Image Credit & Copyright: Josep M. Drudis & Don Goldman Explanation: The Great Nebula in Orion, an immense, nearby starbirth region, is probably the most famous of all astronomical nebulas. Here, glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-ye...