NASA’s Great Observatories in Space (III)
The Chandra X-ray
Telescope
Launched in 1999 into a highly eccentric orbit that takes it 1/3 of the way to the
moon!
X-rays trace hot
(million degrees), highly ionized gas in the universe.
Two colliding galaxies, triggering a burst of star formation
Saturn
Very hot gas in a cluster of galaxies
