哈勃望远镜的红外视觉系统穿透银河系(Milky Way galaxy)积满尘埃的“心脏”,揭示了银河系的核心拥有超过50万的恒星。在银河系的正中央,这一星团盘旋在银河系中央的超大质量黑洞周围,该黑洞的质量是太阳的400万倍。 图片来源:(NASA), 欧洲航天局(ESA),及哈勃遗产团队(太空望远镜科学研究所(STScI)/大学天文
Milky Way Galaxy The Milky Way Galaxy in the night sky. © Viktar—iStock/Getty Images globular cluster M80 Globular cluster M80 (also known as NGC 6093) in an optical image taken by the Hubble... The Hubble Heritage Team (AURA/ STScI/ NASA) open cluster NGC 290 Open cluster NGC...
The mass of the Milky Way, dark matter included, equals 1.5 trillion solar masses, according torecent NASA estimates. The galaxy's visible matter is distributed between its 200 billionstars, their planets and the massive clouds of dust and gas that fill the interstellar space. Astronomers aren'...
This enormous section of the Milky Way galaxy is a mosaic of images from NASA’s Wide-field Infrared Survey Explorer, or WISE. The constellations Cassiopeia and Cepheus are featured in this 1,000-square-degree expanse. These constellations, named after an ancient Queen and King of Ethiopia in ...
NASA, ESA, and Z. Levay (STScI) What a difference 11 billion years makes, as can be seen in these two comparative views of our Milky Way galaxy. The top view shows how our galaxy looks today; the bottom view, how it appeared in the remote past. This photo illustration is based on...
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The Milky Way galaxy and Messier 81 galaxy are both spiral galaxies. Credit: Credit: NASA.gov) However, for those who are not yet convinced, another – and the most lucrative – method is to propel a satellite at the speed of light outside the galaxy. The satellite could click a lovely...
From dangerous lion reserves to high mountain peaks, photographers go all out to capture the most spectacular images of our galaxy in this year's Milky Way Photographer of the Year competition.
For the first time,NASA’s James Webb Space Telescopehas detected and “weighed” a distantgalaxyfrom about 600 million years after theBig Bang. Remarkably, this galaxy appears to have a mass similar to what the Milky Way’s might have been at the same stage of development. Most galaxies ...
"It's easy to romanticize Hubble and his discovery of the universe beyond theMilky Way galaxy, but his work really stood on the shoulders of a number of people," said Jeff Rich, an astronomer at the Carnegie Science Observatories, in a press conference at the 245th meeting of the A...