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Module 08-The Milky Way
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Use diagram for questions 1 &2
1. Stars in the area A would be considered____?
2. The majority of Stars fall in the area labeled____?
3. Stars on the ___ are in the normal part of their lives, during which they produce energy by ___ in their cores.
4. The inner planets are primarily made of rock and metal because
a. The sun’s gravity influenced heavy materials more strongly, and pulled toward the center of the solar system.
b. The angular momentum of the solar nebula flung the light elements outward.
c. Close to the sun it was too hot for anything but rock and metal to condense.
d. None of the above.
5. A white dwarf with the same mass as the sun(1 Msum) would be about the sixe of
a. A city
b. Earth
c. Jupiter
d. The Sun
6. A neutron star with the same mass as the sun (1 Msun) would be about the size of
a. A city
b. Earth
c. Jupiter
d. The Sun
7. All pulsars are neutron stars.
a. True
b. False
8. The Jovian planets were able to accrete gas from the solar nebula because the availability of icy “seeds” allowed then to become massive enough to capture it gravitationally.
a. True
b. False
9. Of the sun were instantly, magically replaced with a black hole of the same mass. Earth would be doomed, getting sucked into the black hole.
a. True
b. False
