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The top documents tagged [big bang picture]
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big bang picture
The Universe. Energy travels from stars in the form of electromagnetic waves. Electromagnetic waves can travel through empty space because they do not.
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Origins of the universe. 1. The ‘Big Bang’ theory According to this theory our universe began 13.7 billion years ago as a singularity. Prior to this there.
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Origins of the universe
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Animal Behavior
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