The Universe: How The Solar System Was Made (Page 2 of 2) in pdf

The Universe: How The Solar System Was Made Page 2

5. W hat i s a p lanetesimal?

6. T he o uter p lanets a re l arger t han t he i nner p lanets b ecause t hey h ad m ore m aterial t o f orm

with. T he g ravity o n t hose p lanets w as a ble t o a ttract _ ________ m aking t hem m uch, m uch

bigger t han t he i nner p lanets.

7. S cientists b egin t o t hink o f t he s un a s a f ull-‐fledged s tar w hen i t d oes w hat?

8. W as E arth a lways a lone? W hat h appened?

9. I s o ur s olar s ystem t he o nly o ne i n t he u niverse o r a re t here o thers?

10. W hy i s o ur s olar s ystem c onsidered t o b e a n “ odd b all?”

5. W hat i s a p lanetesimal?

6. T he o uter p lanets a re l arger t han t he i nner p lanets b ecause t hey h ad m ore m aterial t o f orm

with. T he g ravity o n t hose p lanets w as a ble t o a ttract _ ________ m aking t hem m uch, m uch

bigger t han t he i nner p lanets.

7. S cientists b egin t o t hink o f t he s un a s a f ull-‐fledged s tar w hen i t d oes w hat?

8. W as E arth a lways a lone? W hat h appened?

9. I s o ur s olar s ystem t he o nly o ne i n t he u niverse o r a re t here o thers?

10. W hy i s o ur s olar s ystem c onsidered t o b e a n “ odd b all?

The Universe: How The Solar System Was Made Page 2