
ES 30.3/30.4 Review Stars
Flashcard
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the local group of galaxies that the Milky Way is part of?
Back
The local group contains approximately 30 galaxies.
2.
FLASHCARD QUESTION
Front
Which galaxy is Earth located in?
Back
Earth is located in the Milky Way galaxy.
3.
FLASHCARD QUESTION
Front
What is the study of the origin, structure, and future of the Universe called?
Back
This study is known as cosmology.
4.
FLASHCARD QUESTION
Front
What is the radius of the local group of galaxies that includes the Milky Way?
Back
The radius is approximately 5 million light years.
5.
FLASHCARD QUESTION
Front
What event describes the beginning of the Universe where all matter and energy was compressed and then expanded?
Back
This event is known as the Big Bang.
6.
FLASHCARD QUESTION
Front
What is the term for the force that is causing the acceleration of the Universe's expansion?
Back
This force is called dark energy.
7.
FLASHCARD QUESTION
Front
What is dark matter?
Back
Dark matter is a form of matter that does not emit light or energy, making it invisible and detectable only through its gravitational effects.
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