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Astronomers Discussions (34)

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NOVA: Secrets of the Sun

  Wednesday, May 22nd at 9:00 pm ET on PBS   It contains 99.9 percent of all matter in our solar system and sheds  hot plasma at nearly a m…

Started by Lillie

0 May 17, 2013

Voyager 1: The Little Spacecraft That Could

Analysis by Amy Shira Teitel Voyager 1, the spacecraft that launched on a tour of the solar on Sept. 5, 1977, is getting ready to enter…

Started by Steph S.

10 Mar 25, 2013
Reply by Steph S.

DIY dobsonian

I'm seriously considering building a DIY dobsonian - probably 6" 1200mm, obviously for observing only; it doesn't have a drive. Very simple…

Started by Mick Ohrberg

9 Jan 26, 2013
Reply by Mick Ohrberg

doomsday

Not a doomsday that any of us will experience, but:  In about a million years, the orange dwarf star Gliese 710 is predicted to pass throug…

Started by Luara

2 Jan 9, 2013
Reply by Idaho Spud

Mars: a warmer, wetter planet, by Jeffrey Kargel

This is a wonderful book.  Some of it is challenging to read, like this:  "I have reported that the spiral-structured troughs [in Mars' pol…

Started by Luara

0 Dec 12, 2012

Mars Curiosity Opens Eyes and Sees This: Big Pics

Aug 6, 2012 -- Curiosity found its new home on Mars early Monday, settling down beside a giant mound of layered rock inside an ancient cra…

Started by Steph S.

0 Aug 6, 2012

First Photos from the Discovery Channel Telescope!

See the rest of the photos here.

Started by Steph S.

2 Jul 26, 2012
Reply by Steph S.

ESOcast 39 (European Southern Observatory)

ESOcast 39: A Black Hole's Dinner is Fast Approaching If the nations of Austria, Belgium, Brazil*, the Czech Republic, Denmark, Finland, Fr…

Started by Joan Denoo

2 May 28, 2012
Reply by Joan Denoo

Rosetta:Mission to Land on a Comet 2014

Started by AtheistTech

2 Feb 12, 2012
Reply by Joan Denoo

Mercury's Sleepy Hollows

NASA's MESSENGER probe has discovered a surprise on Mercury: Something is digging "hollows" in the surface of the innermost planet. FULL S…

Started by AtheistTech

1 Feb 7, 2012
Reply by Steph S.

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