What is a light year?
Astronomical Distances Formative Flashcard

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A light year is the distance that light travels in one year.
2.
FLASHCARD QUESTION
Front
How many meters are in 200 centimeters?
Back
200 centimeters is equal to 2 meters.
3.
FLASHCARD QUESTION
Front
What does AU stand for in astronomy?
Back
AU stands for Astronomical Unit, which is the distance between the Earth and the Sun.
4.
FLASHCARD QUESTION
Front
What do we measure with astronomical units?
Back
We use astronomical units to measure distances in our solar system.
5.
FLASHCARD QUESTION
Front
Why do we use light years and astronomical units in space measurements?
Back
We use light years and astronomical units because space is too big to use traditional units like meters.
6.
FLASHCARD QUESTION
Front
What is the speed of light?
Back
The speed of light is approximately 299,792 kilometers per second.
7.
FLASHCARD QUESTION
Front
How far does light travel in one year?
Back
Light travels about 9.46 trillion kilometers in one year.
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