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Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.


1,435 topics in this forum

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  1. Black Hole Fountains

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  2. How Galaxies Evolve

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  3. All In The Family

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  4. Water Vapor In Space

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  5. Fuel For Victor's Ship?

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  6. Anti-Photon

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