Page 1 of 652 1231151101501 ... LastLast
Threads 1 to 20 of 13029

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: 71,197
    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: 66,918
    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: 9,065
    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: 9,937
    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: 21,138
    2009-Dec-15, 04:16 PM Go to last post
  1. Question Future apparitions of Comet Halley

    Started by Ara Pacis, 2017-Mar-21 06:17 PM
    comet, halley
    • Replies: 8
    • Views: 141
    Yesterday, 01:11 PM Go to last post
  2. Combining rotation curves and lensing

    Started by philippeb8, 2017-Mar-20 08:27 PM
    • Replies: 13
    • Views: 272
    2017-Mar-21, 09:06 PM Go to last post
  3. Question Is the Solar System's Barycenter Inside or Outside the Sun?

    Started by Fiery Phoenix, 2017-Mar-07 08:19 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 92
    • Views: 1,809
    2017-Mar-21, 02:27 AM Go to last post
    • Replies: 23
    • Views: 491
    2017-Mar-20, 11:06 PM Go to last post
  4. inferior conjunction of Venus

    Started by Hans, 2017-Mar-19 09:07 PM
    • Replies: 9
    • Views: 130
    2017-Mar-20, 05:18 PM Go to last post
  5. Is non-baryonic dark matter created on the fly?

    Started by philippeb8, 2017-Mar-15 06:21 PM
    • Replies: 16
    • Views: 373
    2017-Mar-20, 04:16 PM Go to last post
  6. On viewing the Sun in the early 19th century

    Started by Hans, 2017-Mar-18 05:52 PM
    • Replies: 11
    • Views: 192
    2017-Mar-20, 08:36 AM Go to last post
  7. Einstein's constant

    Started by philippeb8, 2017-Mar-12 11:08 PM
    2 Pages
    1 2
    • Replies: 53
    • Views: 1,239
    2017-Mar-20, 12:37 AM Go to last post
  8. Are neutrinos with mass incompatible with SR?

    Started by philippeb8, 2017-Mar-13 08:38 PM
    • Replies: 16
    • Views: 387
    2017-Mar-19, 03:58 PM Go to last post
  9. Do virtual photons have wave properties?

    Started by Jeff Root, 2017-Mar-16 09:07 AM
    • Replies: 9
    • Views: 236
    2017-Mar-18, 12:05 PM Go to last post
  10. Photon travel

    Started by Copernicus, 2017-Mar-14 03:05 PM
    • Replies: 18
    • Views: 448
    2017-Mar-15, 03:03 PM Go to last post
  11. Cmb

    Started by Copernicus, 2017-Mar-14 03:27 PM
    • Replies: 6
    • Views: 176
    2017-Mar-14, 08:48 PM Go to last post
  12. Ten times more galaxies

    Started by Cheap Astronomy, 2017-Mar-08 11:52 AM
    • Replies: 10
    • Views: 354
    2017-Mar-14, 08:45 PM Go to last post
  13. Gravitational wave "echoes"

    Started by philippeb8, 2016-Dec-12 06:28 PM
    • Replies: 6
    • Views: 386
    2017-Mar-13, 11:12 PM Go to last post
    • Replies: 4
    • Views: 157
    2017-Mar-13, 05:52 PM Go to last post
  14. Cosmic Microwave Background and the Big Bang

    Started by philippeb8, 2017-Mar-03 05:52 AM
    • Replies: 24
    • Views: 645
    2017-Mar-13, 04:43 PM Go to last post
    • Replies: 7
    • Views: 214
    2017-Mar-13, 04:46 AM Go to last post
    • Replies: 5
    • Views: 161
    2017-Mar-13, 03:03 AM Go to last post
  15. Twin Paradox

    Started by Tempeststrawberry, 2017-Mar-10 06:19 AM
    2 Pages
    1 2
    • Replies: 47
    • Views: 829
    2017-Mar-12, 07:18 PM Go to last post
  16. HeLP!! please 4 thesis

    Started by zcorona, 2017-Mar-08 05:09 PM
    • Replies: 7
    • Views: 266
    2017-Mar-10, 09:23 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
  •