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How do we know the periodic table represents 'all' elements of entire universe?
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How do we know the Universe is expanding, and expanding into nothing?
Started by guest39538Board Physics, Astronomy & Cosmology |
Replies: 43 Views: 55666 |
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If the universe is expanding, what is it expanding into?
Started by Tornado220Board Physics, Astronomy & Cosmology |
Replies: 14 Views: 21504 |
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Where is the "edge" of the Universe?
Started by paul.frBoard Physics, Astronomy & Cosmology |
Replies: 25 Views: 44607 |
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If the Universe is expanding, does this mean that space is expanding?
Started by EthosBoard Physics, Astronomy & Cosmology |
Replies: 14 Views: 31769 |
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How do we "know" that the universe is expanding?
Started by PmbPhyBoard Physics, Astronomy & Cosmology |
Replies: 12 Views: 19841 |
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