Formation and Motion of Galaxies
Flashcard
•
Science, Physics, Education
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a light-year?
Back
The distance light travels in 1 year.
2.
FLASHCARD QUESTION
Front
What role does gravity play in a galaxy?
Back
Gravity is responsible for the motion of the objects within a galaxy.
3.
FLASHCARD QUESTION
Front
What type of galaxy is characterized by a smooth, featureless shape?
Back
Elliptical galaxy.
4.
FLASHCARD QUESTION
Front
What is the current state of the Universe?
Back
The Universe is continuing to expand.
5.
FLASHCARD QUESTION
Front
What are the main components involved in the formation of the solar system?
Back
Dust and gas pulled together by gravity.
6.
FLASHCARD QUESTION
Front
What is a galaxy?
Back
A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.
7.
FLASHCARD QUESTION
Front
What are the three main types of galaxies?
Back
Spiral, elliptical, and irregular galaxies.
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