[Discover] VSSEC Victorian Space Science Education Centre http://www.vssec.vic.edu.au/
(astronomy education australia space) 
[Discover] The Mars Landing Approach: Getting Large Payloads to the Surface of the Red Planet http://www.universetoday.com/2007/07/17/the-mars-landing-approach-getting-large-payloads-to-the-surf ... (space travel mars)
[Discover] NASA - Home http://www.nasa.gov/ (space nasa science astronomy)
[Discover] A Solar System Scale Model Meta Page http://www.vendian.org/mncharity/dir3/solarsystem/ (planets space fun astronomy)
[Discover] Home | Galaxy Zoo http://galaxyzoo.org/ (astronomy space galaxies collaborative)
[Discover] Live Physics http://www.livephysics.com/ (info work space physics)
[Discover] The Mars Landing Approach: Getting Large Payloads to the Surface of the Red Planet http://www.universetoday.com/2007/07/17/the-mars-landing-approach-getting-large-payloads-to-the-surf ... (space travel mars)
[Discover] NASA - Home http://www.nasa.gov/ (space nasa science astronomy)
[Discover] A Solar System Scale Model Meta Page http://www.vendian.org/mncharity/dir3/solarsystem/ (planets space fun astronomy)
[Discover] Home | Galaxy Zoo http://galaxyzoo.org/ (astronomy space galaxies collaborative)
[Discover] Live Physics http://www.livephysics.com/ (info work space physics)