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AST-A 100 Lecture Notes - Fall 2018 Lecture 2 - Orbit, Newton (unit)

United States

The Solar System

Astronomy

Alex Deibel

Indiana University - Bloomington

Consider the statement "there's no gravity in space." this statement is:

Which of the following statements about degeneracy pressure is not true?
A. Degeneracy pressure varies with the temperature of the star
B. Degeneracy pressure can halt gravitational contraction of a star even when no fusion is occurring
C. Degeneracy pressure keeps any protostar less than 0.08 solar mass from becoming a true hydrogen-fusing star
D. Degeneracy pressure supports white dwarfs under gravity

What are the three principal sources of the internal heat of terrestrial planets?
A) conduction, differentiation, and accretion.
B) accretion, differentiation, and radioactivity.
C) accretion, differentiation, and eruption.
D) convection, differentiation, and eruption

AST-A 100 Lecture Notes - Fall 2018 Lecture 2 - Orbit, Newton (unit)

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