These You Tube videos will give you a good intro. into the wonders of astronomy.

http://www.youtube.com/user/Best0fScience?feature=watch

Today for example, we were invited to watch this:

For grade 9’s

Minutephysics – If you like stars, subscribe to his YOuTube channel
http://www.youtube.com/watch?v=5NU2t5zlxQQ
http://www.youtube.com/watch?v=zLSe7RxtJ4o
http://www.youtube.com/watch?v=wN39H1Eb-6I
http://www.youtube.com/watch?v=_mZQ-5-KYHw
http://www.youtube.com/watch?v=uhS8K4gFu4s
http://www.youtube.com/watch?v=53glKEPzElA
http://www.youtube.com/watch?v=HVO0HgMi6Lc
http://www.youtube.com/watch?v=Fxeb3Pc4PA4
one of his first: http://www.youtube.com/watch?v=p_o4aY7xkXg

There is also asapscience channel – also very interesting, but about any science
Big Bang explained:
http://www.youtube.com/watch?v=5kK-cIHnVg4

Bitesize Science: another good channel but more on chemistry
http://www.youtube.com/feed/UCeYmwVIKjh29F5WBdhbEZiQ

BestofScience
http://www.youtube.com/feed/UCm4ZAOy6QTnN47cGI8PTnRQ