Page 1 of 655 1231151101501 ... LastLast
Threads 1 to 20 of 13095

Forum: Space/Astronomy Questions and Answers

Got a space/astronomy question? Get it answered here.

  1. Sticky Thread Sticky: I'm an independent researcher, how can I get my work published?

    Started by Nereid, 2005-Sep-17 10:12 PM
    3 Pages
    1 2 3
    3 Deleted Post(s)
    • Replies: 69
    • Views: 74,507
    2016-Mar-24, 09:14 PM Go to last post
  2. Sticky Thread Sticky: ** FAQs ** Resources On The Web

    Started by devilmech, 2004-Feb-25 02:16 AM
    2 Pages
    1 2
    6 Deleted Post(s)
    • Replies: 59
    • Views: 69,264
    2013-Mar-02, 06:01 PM Go to last post
  3. Sticky Thread Sticky: On Q&A: Debates and Civility. What you should do if...

    Started by Moose, 2011-Aug-01 06:55 PM
    • Replies: 0
    • Views: 10,102
    2011-Aug-01, 06:55 PM Go to last post
  4. Sticky Thread Sticky: About this section of the forum (for the natives)

    Started by ToSeek, 2010-Jun-16 08:03 PM
    • Replies: 0
    • Views: 10,987
    2010-Jun-16, 08:03 PM Go to last post
  5. Sticky Thread Sticky: About this section of the forum (for new arrivals)

    Started by Fraser, 2003-Sep-16 08:17 PM
    • Replies: 1
    • Views: 22,228
    2009-Dec-15, 04:16 PM Go to last post
    • Replies: 12
    • Views: 200
    Yesterday, 06:46 PM Go to last post
  1. Planet IX?! Is it not still Planet X?

    Started by A.DIM, 2017-Apr-15 01:53 PM
    • Replies: 17
    • Views: 751
    2017-Jun-25, 03:16 PM Go to last post
  2. early dead disk galaxy

    Started by Cougar, 2017-Jun-22 01:22 AM
    • Replies: 4
    • Views: 218
    2017-Jun-24, 01:56 PM Go to last post
  3. Thought experiment - ballistics

    Started by Cheap Astronomy, 2017-Jun-23 10:35 AM
    1 Deleted Post(s)
    • Replies: 13
    • Views: 278
    2017-Jun-24, 01:34 AM Go to last post
  4. Observable Universe

    Started by Hypmotoad, 2017-Jun-20 05:33 AM
    2 Pages
    1 2
    • Replies: 39
    • Views: 1,091
    2017-Jun-23, 11:38 PM Go to last post
  5. Wheeler's delayed choice experiment

    Started by Manix, 2017-Jun-13 09:23 AM
    • Replies: 9
    • Views: 388
    2017-Jun-23, 09:43 PM Go to last post
  6. What if the ozone layer is destroyed?

    Started by TheC, 2017-Jun-12 12:04 AM
    • Replies: 14
    • Views: 447
    2017-Jun-19, 04:29 PM Go to last post
  7. Asteroid Psyche

    Started by ttroberts, 2017-Jun-15 04:08 PM
    • Replies: 4
    • Views: 275
    2017-Jun-17, 02:06 PM Go to last post
  8. Thought Experiment for Deep Space Travel

    Started by TheC, 2017-Jun-03 11:44 PM
    3 Pages
    1 2 3
    • Replies: 83
    • Views: 2,231
    2017-Jun-17, 06:20 AM Go to last post
  9. What the highest density before a black hole forms?

    Started by Frog march, 2017-Jun-06 10:22 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 818
    2017-Jun-16, 07:37 PM Go to last post
  10. A solar system with only the Sun & the Earth

    Started by wd40, 2017-Jun-09 03:32 AM
    2 Pages
    1 2
    • Replies: 34
    • Views: 955
    2017-Jun-12, 01:25 PM Go to last post
  11. Could an alien SETI program detect us?

    Started by Cheap Astronomy, 2017-Jun-07 10:09 AM
    • Replies: 11
    • Views: 428
    2017-Jun-11, 02:03 PM Go to last post
  12. Composition, Size, Density

    Started by OtterMan, 2017-Jun-09 01:23 PM
    composition, kbo, research, size
    • Replies: 4
    • Views: 248
    2017-Jun-11, 02:00 AM Go to last post
  13. Effects of an 1859 Carrington Event today

    Started by wd40, 2011-Jun-08 10:27 AM
    • Replies: 22
    • Views: 6,683
    2017-Jun-09, 06:51 PM Go to last post
  14. Could you 'terraform' Jupiter?

    Started by Frog march, 2017-May-20 01:06 AM
    2 Pages
    1 2
    • Replies: 36
    • Views: 1,428
    2017-Jun-08, 10:09 AM Go to last post
  15. My Boomerang won't come black

    Started by George, 2017-Jun-07 02:58 PM
    • Replies: 2
    • Views: 182
    2017-Jun-08, 02:18 AM Go to last post
  16. Interstellar Thought Experiment

    Started by TheC, 2017-Jun-07 08:58 PM
    1 Deleted Post(s)
    Thread deleted by PetersCreek
    Reason
     Duplicate
  17. Galaxy Distribution

    Started by DaCaptain, 2017-May-14 09:58 PM
    • Replies: 27
    • Views: 1,010
    2017-Jun-07, 10:00 AM Go to last post
  18. Where Are All The Dark Matter Objects?

    Started by cosmocrazy, 2017-Jun-05 09:05 AM
    • Replies: 6
    • Views: 324
    2017-Jun-06, 08:04 PM Go to last post
    • Replies: 0
    • Views: 111
    2017-Jun-05, 10:57 PM Go to last post

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •