Luna (the moon)

1) http://www.nasa.gov/worldbook/moon_worldbook.html

2) http://nineplanets.org/luna.html

3) http://www.youtube.com/watch?v=b-Gi1HpRAVc

Enceladus

1)http://www.nasa.gov/mission_pages/cassini/media/enceladus-f20080326.html

2)http://www.telegraph.co.uk/science/space/7191396/Enceladus-Nasa-discovers-new-evidence-that-Saturn-moon-may-con

3)http://nineplanets.org/enceladus.html