Astronomers Discussions (28)

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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

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
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
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
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

Fay Dowker - Spacetime Atoms and the Unity of Physics

This is a great talk by Fay Dowker about spacetime. However, since it is such a complicated topic, she had to start at the beginning and ta…

Started by Dallas the Phallus

2 May 22, 2012
Reply by Write4U

One universe among many?

A well-written article that covers some of the ideas and challenges of the multiverse theory.  - DG One universe among many? An astonishin…

Started by Dallas the Phallus

0 May 12, 2012

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