Quiz 8 Answers
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Oakland Community College *
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Course
1580
Subject
Astronomy
Date
Feb 20, 2024
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3
Uploaded by AmbassadorOxideHerring40
QUIZ 8
Question 1
Explain the three criteria that define a planet. A planet is a celestial body that: orbits the sun; has sufficient mass for self -
gravity to overcome rigid body forces so that is assumes a hydrostatic equilibrium, nearly round, shape; has cleared the neighborhood around its orbit. Question 2
Explain why Pluto is not considered a planet. Since, Pluto is a dwarf planet it is not considered a planet. As a result, the definition of a dwarf planet is a celestial body that: is in orbit around the sun has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium shape has not cleared the neighborhood around its orbit, and is not a satellite. Pluto actually shares a gravtitional center with another object not just the sun. Question 3
What process occurs to create a stream of ionized particles called the solar wind? condensation thermonuclear fusion planetary embryo accretion Question 4
Which of the following planets is the largest of the small planet classification? Earth Mercury Venus Jupiter
Question 5
Which of the following groups contain only inner planets? Uranus and Neptune Earth and Jupiter Venus and Mercury Mars and Saturn Question 6
Which of the following consists only of superior planets? Jupiter, Venus, Mercury Earth, Jupiter, Neptune Neptune, Saturn, Uranus Earth, Jupiter, Uranus Question 7
Where are gasses condensing into mostly ices in the early formation of the solar system? In the area that is currently the asteroid belt. In the area closet to the forming star. Ices are not created they were just always there. In the area past the frost line away from the forming star. Question 8
This is the term for the process by which gravity separates materials by density, with high-density materials sinking and low-density materials rising. Mantle Tectonics Hatred Differentiation
Question 9
What is the term for a rapidly spinning cloud of dust and gas that is flattening to form a disk around a continually collapsing and heating central proto-star? Solar Nebula Interstellar Cloud Jovian Planetary Nebula Question 10
The first ingredient in creating a star with a possible solar system is a large cloud of cold, low-density gas called a(n): Jovian Planetary Nebula Supernova Interstellar Cloud
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