Page 1 of 655 1231151101501 ... LastLast
Threads 1 to 20 of 13098

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: 74,580
    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: 69,317
    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: 10,127
    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: 11,010
    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: 22,251
    2009-Dec-15, 04:16 PM Go to last post
  1. Earth rotation and long distance travel

    Started by Cheap Astronomy, 2017-Jun-27 12:09 PM
    • Replies: 11
    • Views: 257
    Today, 12:40 AM Go to last post
    • Replies: 12
    • Views: 242
    Yesterday, 12:10 PM Go to last post
  2. Observation Question

    Started by SOLAR STARE, 2017-Jun-27 09:15 PM
    • Replies: 2
    • Views: 111
    2017-Jun-27, 11:11 PM Go to last post
  3. When would Planet Nine be ruled out?

    Started by Tom Mazanec, 2017-Apr-17 09:07 PM
    • Replies: 9
    • Views: 421
    2017-Jun-27, 09:31 PM Go to last post
    • Replies: 12
    • Views: 255
    2017-Jun-26, 06:46 PM Go to last post
  4. Planet IX?! Is it not still Planet X?

    Started by A.DIM, 2017-Apr-15 01:53 PM
    • Replies: 17
    • Views: 783
    2017-Jun-25, 03:16 PM Go to last post
  5. early dead disk galaxy

    Started by Cougar, 2017-Jun-22 01:22 AM
    • Replies: 4
    • Views: 238
    2017-Jun-24, 01:56 PM Go to last post
  6. Thought experiment - ballistics

    Started by Cheap Astronomy, 2017-Jun-23 10:35 AM
    1 Deleted Post(s)
    • Replies: 13
    • Views: 293
    2017-Jun-24, 01:34 AM Go to last post
  7. Observable Universe

    Started by Hypmotoad, 2017-Jun-20 05:33 AM
    2 Pages
    1 2
    • Replies: 39
    • Views: 1,138
    2017-Jun-23, 11:38 PM Go to last post
  8. Wheeler's delayed choice experiment

    Started by Manix, 2017-Jun-13 09:23 AM
    • Replies: 9
    • Views: 406
    2017-Jun-23, 09:43 PM Go to last post
  9. What if the ozone layer is destroyed?

    Started by TheC, 2017-Jun-12 12:04 AM
    • Replies: 14
    • Views: 457
    2017-Jun-19, 04:29 PM Go to last post
  10. Asteroid Psyche

    Started by ttroberts, 2017-Jun-15 04:08 PM
    • Replies: 4
    • Views: 287
    2017-Jun-17, 02:06 PM Go to last post
  11. Thought Experiment for Deep Space Travel

    Started by TheC, 2017-Jun-03 11:44 PM
    3 Pages
    1 2 3
    • Replies: 83
    • Views: 2,285
    2017-Jun-17, 06:20 AM Go to last post
  12. 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: 854
    2017-Jun-16, 07:37 PM Go to last post
  13. 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: 979
    2017-Jun-12, 01:25 PM Go to last post
  14. Could an alien SETI program detect us?

    Started by Cheap Astronomy, 2017-Jun-07 10:09 AM
    • Replies: 11
    • Views: 449
    2017-Jun-11, 02:03 PM Go to last post
  15. Composition, Size, Density

    Started by OtterMan, 2017-Jun-09 01:23 PM
    composition, kbo, research, size
    • Replies: 4
    • Views: 260
    2017-Jun-11, 02:00 AM Go to last post
  16. Effects of an 1859 Carrington Event today

    Started by wd40, 2011-Jun-08 10:27 AM
    • Replies: 22
    • Views: 6,694
    2017-Jun-09, 06:51 PM Go to last post
  17. Could you 'terraform' Jupiter?

    Started by Frog march, 2017-May-20 01:06 AM
    2 Pages
    1 2
    • Replies: 36
    • Views: 1,478
    2017-Jun-08, 10:09 AM Go to last post
  18. My Boomerang won't come black

    Started by George, 2017-Jun-07 02:58 PM
    • Replies: 2
    • Views: 191
    2017-Jun-08, 02:18 AM 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
  •