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| Aerospace Education | 2 |
| Astronomy | 2 |
| Research | 2 |
| Science History | 2 |
| Scientific Research | 2 |
| Space | 2 |
| Space Sciences | 2 |
| Earth Science | 1 |
| Evolution | 1 |
| Lunar Research | 1 |
| Physical Sciences | 1 |
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| MOSAIC | 2 |
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MOSAIC, 1978
Discusses the efforts which have been accomplished in extragalactic astronomy (the study of bodies and systems beyond the Milky Way) since 1929. Some of the most perplexing problems of extragalactic astronomy such as the missing mass of the galaxies are also discussed. (HM)
Descriptors: Aerospace Education, Astronomy, Evolution, Lunar Research
MOSAIC, 1978
Discusses the birth of the universe and its death. Whether the universe is closed or open is also discussed. (HM)
Descriptors: Aerospace Education, Astronomy, Earth Science, Physical Sciences
