Download PDF by William Allstetter: Science and technology almanac

By William Allstetter

ISBN-10: 1573563285

ISBN-13: 9781573563284

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3 billion years. Further study of the star may help reduce the margin of error even further. Another group of astronomers tried a new technique to determine the universes age; they studied the background microwave radiation left over from the Big Bang. Recent studies have determined that this radiation is not uniform but contains hot and cold spots. This discovery led to the realization that the size of the spots could help determine the age of the universe. Because the radiation has been traveling outward from the time of the Big Bang, the further away the spots are, the older the universe would be.

Grabe, Norman E. Hilmers Carries International Microgravity Laboratory-1 (IML-1); conducts microgravity experiments Atlantis STS-45 Mar. Leetsma, Dirk D. Lichtenberg Carries Atmospheric Laboratory for Applications and Science (ATLAS-1); conducts experiments Endeavour STS-47 Sept. Gibson, Mark C. Jemison, Jerome Apt, Mamoru Mohri Carries Spacelab J, the first Japanese spacelab module; conducts experiments Page 15 Name Date Launched Duration Crew and Passengers Summary Discovery STS-56 Apr. Michael Foale, Ellen Ochoa Carries Atmospheric Laboratory for Applications and Science-2 (ATLAS-2); launches SPARTAN-201 Endeavor STS-61 Dec.

Leetsma, Dirk D. Lichtenberg Carries Atmospheric Laboratory for Applications and Science (ATLAS-1); conducts experiments Endeavour STS-47 Sept. Gibson, Mark C. Jemison, Jerome Apt, Mamoru Mohri Carries Spacelab J, the first Japanese spacelab module; conducts experiments Page 15 Name Date Launched Duration Crew and Passengers Summary Discovery STS-56 Apr. Michael Foale, Ellen Ochoa Carries Atmospheric Laboratory for Applications and Science-2 (ATLAS-2); launches SPARTAN-201 Endeavor STS-61 Dec. 2, 1993 10 days, 19 hours, 58 minutes, 37 seconds F.

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Science and technology almanac by William Allstetter


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