Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing ...
"Hubble is more scientifically productive now than ever before, which is kind of mind-blowing." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
A lens within a lens helps us take the temperature of the disk of matter that is spiraling into a black hole in a distant quasar.
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