Summary
They discovered quasars that are older and larger than we thought possible.
Key Points
3 points1
Quasars are extremely bright objects powered by huge black holes.
2
These newly found quasars are the oldest ever seen.
3
Their unexpected size challenges ideas about how early galaxies formed.
New Words to Learn
6 wordsquasar
a very bright spot in space powered by a giant black hole
telescope
a large instrument that helps us see far away objects in space
galaxy
a huge group of stars, planets and gas
astronomer
a scientist who studies stars and space
black hole
a place in space with very strong gravity that even light cannot escape
cosmic
related to space
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