Unit 3, Ch. 8 Astronomy
Flashcard
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the Big Bang Theory?
Back
The Big Bang Theory states that all of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.
2.
FLASHCARD QUESTION
Front
What is plotted on the x-axis of an H-R Diagram?
Back
Temperature is plotted on the x-axis of an H-R Diagram.
3.
FLASHCARD QUESTION
Front
What is plotted on the y-axis of an H-R Diagram?
Back
Brightness is plotted on the y-axis of an H-R Diagram.
4.
FLASHCARD QUESTION
Front
What does the color of a star indicate?
Back
The color of a star indicates its temperature.
5.
FLASHCARD QUESTION
Front
What are asteroids?
Back
Asteroids are large metallic, rocky, and dusty objects that are clustered in bands called belts.
6.
FLASHCARD QUESTION
Front
Which star is known to be cool, dim, and red?
Back
Bernard's star is known to be cool, dim, and red.
7.
FLASHCARD QUESTION
Front
What is a singularity in the context of the Big Bang?
Back
A singularity is a point where all matter was concentrated before the Big Bang.
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