Mathematics, 27.11.2020 23:40 jellydemara208
Look at this NASA picture of a giant black hole and read the paragraph.
Credit: X-ray: NASA/CXC/SAO/A. Siemiginowska et al; Optical: NASA/STScI; Radio: NSF/NRAO/VLA)
Black holes cannot be seen without X-rays. If a telescope focuses on X-rays, we see a bright spot surrounding the black hole and a larger doughnut-shaped mass around that. The bright spot is gas, glowing at one million degrees. Any visible light it makes is absorbed by the doughnut-shaped mass of dust and gas around it. So we can only see it using X-rays. This is called a hidden or buried black hole.
What does the photograph show to support the paragraph?
a black hole seen in visible light without X-rays
a buried black hole that looks like a doughnut
million-degree gas inside a black hole
visible light and dust outside a black hole
(Giving brainlest)
Answers: 1
Mathematics, 21.06.2019 19:30
Choose the more precise measurement. 26.4 cm or 8.39 cm
Answers: 1
Look at this NASA picture of a giant black hole and read the paragraph.
Credit: X-ray: NASA/CXC/SAO...
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