Distance Affects Star Brightness
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Objective
I can describe how far away a star is affects how bright it looks to us on Earth.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Imagine two stars. One star is close to Earth, and the other is very far away. Which star will look brighter to us, and why?
What is parallax? Explain it in your own words, like you're explaining it to a friend.
Part 3 of 3
Exit ticket
Quick comprehension check
“Imagine two stars that are the same size. Star A is closer to Earth than Star B. Which star will look brighter to us on Earth? If a star is very, very far away from Earth, will it look bright or dim to us? ”
Sample answer included in the free materials
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