Earth's New "Moon" 101
Interactive Video
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Physics, Science, Other
•
University
•
Hard
Wayground Content
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes irregular moons from regular moons?
They are formed from the planet's debris.
They are larger than regular moons.
They are captured objects with eccentric orbits.
They have a stable orbit around the planet.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the size of Earth's temporary second moon, 2020 CD 3?
5 to 10 meters across
10 to 20 meters across
2 to 4 meters across
1 to 2 meters across
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is 2020 CD 3 expected to leave Earth's orbit?
It has a stable orbit.
Its orbit is chaotic and unstable.
It is being pulled by another planet.
It is too large to remain captured.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a quasi satellite?
An asteroid that orbits the Sun but is influenced by Earth's gravity.
A moon that orbits the Earth directly.
A moon that is captured permanently by Earth.
A satellite launched by humans.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many quasi satellites does Earth have?
Ten
Seven
Five
Three
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Hill sphere?
The orbit path of a planet around the Sun.
The area where the Sun's gravity is stronger than the planet's.
The region where a planet's gravity dominates over the Sun's gravity.
The distance between a planet and its farthest moon.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do gas giants have more moons than Earth?
They are closer to the Sun.
They have less gravitational pull.
They are made of gas.
They have larger Hill spheres.
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