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How Did the First Stars and Galaxies Form?
pocket,
2010,
Engelska,
ISBN 9780691145167
Though astrophysicists have developed a theoretical framework for understanding how the first stars and galaxies formed, only now are we able to begin testing those theories with …
What are Gamma-Ray Bursts?
pocket,
2011,
Engelska,
ISBN 9780691145570
Gamma-ray bursts are the brightest--and, until recently, among the least understood--cosmic events in the universe. Discovered by chance during the cold war, these evanescent …