NASA Unveils Amazing Cosmic Views as Chandra X-Ray Observatory Turns 20
It's been 20 years since NASA's Chandra X-Ray Observatory launched to give us the sharpest-ever view of X-rays — and the telescope is still working at the frontier of science, the agency said.
from Space.com https://ift.tt/2ylhMW9
from Space.com https://ift.tt/2ylhMW9
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