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NASA·每日一图

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哈勃太空望远镜拍摄到异常明亮的相互作用星系

This new image from NASA’s Hubble Space Telescope shows interacting galaxies known as AM 1214-255. These galaxies contain active galactic nuclei, or AGNs. An AGN is an extraordinarily luminous central region of a galaxy. Its extreme brightness is caused by matter whirling into a supermassive black hole at the galaxy’s heart. Hubble observed the galaxy closes...

NASA·每日一图

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哈勃太空望远镜拍摄到一个难以捉摸的星系团

A menagerie of interesting astronomical finds are visible in this image from the NASA/ESA Hubble Space Telescope. In addition to several large elliptical galaxies, a ring-shaped galaxy is lurking on the right of the image. A pair of bright stars are also visible at the left of the image, notable for their colorful crisscrossing diffraction spikes. This colle...

NASA·每日一图

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哈勃望远镜发现一个有卷须的星系

This image taken with the NASA/ESA Hubble Space Telescope shows JO204, a ‘jellyfish galaxy’ so named for the bright tendrils of gas that appear in this image as drifting lazily below JO204’s bright central bulk. The galaxy lies almost 600 million light-years away in the constellation Sextans. Hubble observed JO204 as part of a survey performed with the inten...

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哈勃发现了一个多代星团

This image from the NASA/ESA Hubble Space Telescope shows the globular star cluster NGC 2419. Globular clusters are both beautiful and fascinating. They are spherical groups of stars that orbit the center of a galaxy, and in the case of NGC 2419, that galaxy is our own Milky Way. NGC 2419 is around 300,000 light-years from the solar system, in the constellat...

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NASA的IXPE观测到前所未有的历史性星云

科学家们已经使用IXPE创建了蟹状星云磁场的详细而细致的地图，揭示了比以往更多的内部工作原理。发表在《自然天文学》杂志上的新结果，有助于解决关于被充分研究的蟹状星云的长期谜团，并为未来的研究提出了新的问题。