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  1. what's the name of a solar day on other planets?

    Started by Inb, September 17th, 2019 12:13 AM
    astronomy, mars, solar
    • Replies: 3
    • Views: 1,312
    Last Post: September 17th, 2019 10:44 AM
    by Janus  Go to last post

    Forum:
    General Discussion

  2. Changing air composition on another planet

    Started by Inb, September 7th, 2019 05:51 PM
    astronomy, hypotheticals, science, space, that if
    • Replies: 2
    • Views: 1,006
    Last Post: September 8th, 2019 10:10 AM
    by Janus  Go to last post

    Forum:
    General Discussion

  3. Wanting more knowledge!

    Started by ARWlms, January 5th, 2019 08:57 PM
    astronomy, climate, homes, space
    • Replies: 0
    • Views: 1,951
    Last Post: January 5th, 2019 08:57 PM
    by ARWlms  Go to last post

    Forum:
    Introductions

  4. Question about light-years

    Started by xcasper, August 26th, 2017 11:43 AM
    astronomy, distance, light years, space, speed
    • Replies: 9
    • Views: 1,925
    Last Post: August 31st, 2017 10:30 AM
    by exchemist  Go to last post

    Forum:
    Astronomy & Cosmology

  5. physics and astronomy

    Started by gabibvb, May 26th, 2014 08:37 AM
    astronomy, physics
    • Replies: 8
    • Views: 1,141
    Last Post: May 27th, 2014 06:44 AM
    by Flick Montana  Go to last post

    Forum:
    Physics

  6. measurement of the gravity of a singularity

    Started by Sopeshark, May 16th, 2014 05:39 PM
    astronomy, black holes, gravity black hole, singularities, space
    • Replies: 2
    • Views: 786
    Last Post: May 16th, 2014 06:04 PM
    by Strange  Go to last post

    Forum:
    General Discussion

  7. Age of Universe ?

    Started by saurabhkumarsingh, October 27th, 2013 02:41 PM
    age, astronomy, galaxy, star, universe
    • Replies: 4
    • Views: 919
    Last Post: October 27th, 2013 03:22 PM
    by Cogito Ergo Sum  Go to last post

    Forum:
    General Discussion

  8. How many days in a year are ?

    Started by saurabhkumarsingh, October 23rd, 2013 11:53 PM
    astronomy, light year, measurement, physics, year
    • Replies: 3
    • Views: 885
    Last Post: October 24th, 2013 12:54 AM
    by saurabhkumarsingh  Go to last post

    Forum:
    General Discussion

  9. Life on other planets

    Started by 17miwoosencraft, September 3rd, 2013 09:40 PM
    astronomy, cycles, ecosystems, mars, science
    • Replies: 12
    • Views: 1,363
    Last Post: September 8th, 2013 02:02 PM
    by moonguy  Go to last post

    Forum:
    Astronomy & Cosmology

  10. How to go from an architecture career to astronomy

    Started by Cosmic Les, May 6th, 2013 08:05 AM
    architecture, astronomy, cosmology, degree, masters
    • Replies: 1
    • Views: 882
    Last Post: May 6th, 2013 12:23 PM
    by cosmictraveler  Go to last post

    Forum:
    General Discussion

  11. Time travel

    Started by physicsphreak, April 25th, 2013 02:41 PM
    astronomy, space, time
    • Replies: 19
    • Views: 2,448
    Last Post: April 30th, 2013 11:29 AM
    by RAJ_K  Go to last post

    Forum:
    Physics

  12. Zooniverse Project Planetfour.org - Usability Survey

    Started by james_sprinks, April 15th, 2013 02:28 PM
    astronomy, citizen science, planetfour, zooniverse
    • Replies: 0
    • Views: 651
    Last Post: April 15th, 2013 02:28 PM
    by james_sprinks  Go to last post

    Forum:
    General Discussion

  13. How do we know how far away objects are in space

    Started by cycloneash, February 14th, 2013 02:39 AM
    astronomy, light, space, time
    • Replies: 4
    • Views: 1,014
    Last Post: February 14th, 2013 05:14 PM
    by Chrispen Evan  Go to last post

    Forum:
    General Discussion

  14. How active is this site and can i trade knowledge here?

    Started by Perplexion, November 17th, 2012 03:14 PM
    astronomy, autism, existence, relativity, science
    • Replies: 3
    • Views: 929
    Last Post: November 18th, 2012 11:02 AM
    by Strange  Go to last post

    Forum:
    Introductions

  15. The Stars We See at Night

    Started by Nameless12, November 2nd, 2012 07:14 AM
    astronomy, stars
    • Replies: 2
    • Views: 1,013
    Last Post: November 2nd, 2012 07:37 AM
    by Flick Montana  Go to last post

    Forum:
    Astronomy & Cosmology

  16. How do we know there are other galaxies?

    Started by emygirl691, July 28th, 2012 11:40 PM
    astronomy, galaxy, satellites, universe 4 Attachment(s)
    • Replies: 35
    • Views: 3,692
    Last Post: August 1st, 2012 09:17 PM
    by AlexG  Go to last post

    Forum:
    General Discussion

  17. Eclipse*

    Started by RonPrice, June 8th, 2012 07:09 PM
    astronomy, famous, history, personal
    • Replies: 0
    • Views: 894
    Last Post: June 8th, 2012 07:09 PM
    by RonPrice  Go to last post

    Forum:
    Astronomy & Cosmology

  18. THE UNIVERSE: And then there was light….

    Started by RonPrice, March 1st, 2012 07:58 AM
    astronomy, astrophysics, personal
    • Replies: 0
    • Views: 999
    Last Post: March 1st, 2012 07:58 AM
    by RonPrice  Go to last post

    Forum:
    Astronomy & Cosmology

  19. Evidence for the presence of Extraterrestrial life?

    Started by Jumdd, December 6th, 2011 09:29 PM
    alien, astronomy, extra terrestrial life, kepler 22b, life
    • Replies: 4
    • Views: 1,930
    Last Post: December 8th, 2011 01:51 AM
    by Kalopin  Go to last post

    Forum:
    Pseudoscience

  20. Need info on a meteorite

    Started by Maddog, August 8th, 2011 04:47 PM
    astronomy, lunar, meteor, meteorite, space
    • Replies: 1
    • Views: 1,082
    Last Post: August 9th, 2011 08:13 AM
    by Cyberia  Go to last post

    Forum:
    Astronomy & Cosmology

  21. Wonders of the Universe: BBC 2011

    Started by RonPrice, July 21st, 2011 06:28 AM
    astronomy, personal, universe
    • Replies: 0
    • Views: 1,576
    Last Post: July 21st, 2011 06:28 AM
    by RonPrice  Go to last post

    Forum:
    Astronomy & Cosmology

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