What are the inner planets?

Planetary Science Flashcard

Flashcard
•
Science
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The inner planets, also known as terrestrial planets, include Mercury, Venus, Earth, and Mars. They are closer to the Sun and are primarily composed of rock and metal.
2.
FLASHCARD QUESTION
Front
What are the outer planets?
Back
The outer planets, also known as gas giants, include Jupiter, Saturn, Uranus, and Neptune. They are located farther from the Sun and are mostly composed of gases, with low densities.
3.
FLASHCARD QUESTION
Front
What is the heliocentric theory?
Back
The heliocentric theory is the astronomical model that places the Sun at the center of the solar system, with the Earth and other planets orbiting around it.
4.
FLASHCARD QUESTION
Front
What is the geocentric theory?
Back
The geocentric theory is the outdated astronomical model that places the Earth at the center of the universe, with the Sun and other celestial bodies orbiting around it.
5.
FLASHCARD QUESTION
Front
What does Kepler's second law state?
Back
Kepler's second law, also known as the law of equal areas, states that a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.
6.
FLASHCARD QUESTION
Front
Which object in our solar system has the most mass?
Back
The Sun contains the most mass in our solar system, accounting for about 99.86% of the total mass.
7.
FLASHCARD QUESTION
Front
What is the asteroid belt?
Back
The asteroid belt is a region in space located between the orbits of Mars and Jupiter, containing numerous small rocky bodies known as asteroids.
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