Despite searching with NASA’s Chandra X-ray Observatory and Hubble Space Telescope, astronomers have no evidence that a distant black hole estimated to weigh between 3 billion and 100 billion times the mass of the Sun is anywhere to be found.

This missing black hole should be in the enormous galaxy in the center of the galaxy cluster Abell 2261, which is located about 2.7 billion light years from Earth. This composite image of Abell 2261 contains optical data from Hubble and the Subaru Telescope showing galaxies in the cluster and in the background, and Chandra X-ray data showing hot gas (colored pink) pervading the cluster. The middle of the image shows the large elliptical galaxy in the center of the cluster.

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Image Credit: X-ray: NASA/CXC/Univ of Michigan/K. Gültekin; Optical: NASA/STScI and NAOJ/Subaru; Infrared: NSF/NOAO/KPNO


尽管用NASA的钱德拉X射线天文台哈勃太空望远镜进行了搜索,但天文学家没有证据表明一个遥远的黑洞存在,这个黑质量估计在太阳的30亿到1000亿倍之间。

这个失踪的黑洞应该位于星系团Abell 2261中心的巨星系中,该星系距地球约27亿光年。这张Abell 2261的合成图像包含了哈勃和斯巴鲁望远镜的光学数据,显示了星系团和背景中的星系,钱德拉X射线数据显示了星系团中弥漫的热气(粉红色)。图像中间显示了星团中心的大椭圆星系

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影像来源:X线:NASA/CXC/Univ of Michigan/K. Gültekin;光学:NASA/STScI and NAOJ/Subaru;红外线:NSF/NOAO/KPNO

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