Martin
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Topics posted by Martin
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- 731 views
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- 1476 views
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- 27 replies
- 3610 views
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- 6390 views
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- 6197 views
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Expanding space needs surroundings to expand into. T or F. 1 2 3
By Martin, in Astronomy and Cosmology
- 64 replies
- 9070 views
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- 6 replies
- 3262 views
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- 1123 views
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- 1396 views
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- 1063 views
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- 1389 views
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- 2615 views
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- 688 views
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- 6 replies
- 1599 views
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Ice table covered by loose soil (hollow out a house under the ice?)
By Martin, in Astronomy and Cosmology
- 2 replies
- 1117 views
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Flying over Mars surface (animation with real-life photography)
By Martin, in Astronomy and Cosmology
- 6 replies
- 1416 views
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- 0 replies
- 980 views
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- 10 replies
- 1596 views
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- 28 replies
- 7506 views
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The universe could be infinite in spatial volume and matter content. T or F? 1 2 3
By Martin, in Astronomy and Cosmology
- 61 replies
- 9975 views
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- 52 replies
- 6379 views
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What happened before the Big Bang? (professional journal style)
By Martin, in Astronomy and Cosmology
- 17 replies
- 2990 views
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- 1 reply
- 1056 views