"AIM: HOW DO STARS FORM? DO NOW: How many stars are in our Solar System? Homework: What are stars? v Balls of gases that give off light & heat energy."
http://www.sewanhaka.k12.ny.us/cms/lib3/NY01001491/Centricity/Domain/2051/06%20Solar%20System.ppt
Hiç yorum yok:
Yorum Gönder