1001 Space The Universe Mysteries of Space Galaxies Stars Planets and Moons Space Exploration Space Travel Earth Nature History Human World Science and Technology

The Universe How big is the universe? Who were the first astronomers? Is there anything beyond the universe? Which is our nearest star? What is a light year? Who first understood the Solar System? How far away are the stars? Will the universe end? Is there other life in the universe? What was the Big Bang? How old is the universe? What is the universe? When were telescopes first used?   Previous: Back to The Universe Book: 1001 Section: Space Chapter: The Universe