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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.


1,475 topics in this forum

  1. Missing matter

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  2. Solar Eclipse

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  3. Universe will collapse

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  4. Age of Universe determined

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  5. The big u

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  6. NDSW

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  7. Uncle Al ALERT!!!

    • 1 reply
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  8. Upcoming Meteor Shower

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  9. Orbiting Alpha Centauri

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  10. Cosmological Conundrum 1 2

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  11. Commercial Lunar Mission

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  12. Today's solar eclipse

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  13. Astronomy 101

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  14. Gamma-ray bursts

    • 1 reply
    • 2.8k views
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