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Do Now: Review for Midterm

Put the following stages of the star’s life in order:

1. Small Star (low mass):

White Dwarf, Nebula, Planetary Nebula, Main Sequence, Red Giant, Protostar

2. Large Star (high mass):

Supernova, Black Hole, Main Sequence, Supergiant, Nebula, Protostar
After you finish review the “Worksheet: Stars and the H-R Diagram”. You should be able to explain the graph on tomorrow’s test.

Other topics to review:

-Star classification

-Equilibrium: stellar (in a star), radiative (solar energy on Earth)

-The Greenhouse Effect

-Global Warming

-Human effects on the atmosphere

-Carbon Dioxide in the past and ice core analysis