Transcript Feb 19

Agenda Feb 20
Get a new lifeline sheet
Vocabulary: Astronomical unit
orbital period
orbital eccentricity
Cool news:
1. Essays due today-you must put them in the box or
email them to me by this afternoon—10% off after
2. Turn in your packet for the universe (cosmology)
3. Formation of the Solar System, make sure to
complete this today.
End of class
 Name one of the trends you saw with planets
as you go out from the sun that was new to