Astronomy and Cosmology

Topics related to observation of space and any related phenomena.

3257 topics in this forum

  1. Cosmo Basics

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  2. Astronomy links

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  3. Going to Venus before Mars?

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  4. Alternative for redshifts

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  5. Holograms

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  6. Review my article

  7. Galaxy rotation curve

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  8. Spacetime

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  9. Logic

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