Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
Why do stars twinkle? | StemPy Lab
Quizzes
/
Why do stars twinkle?
Physics
Easy
High School (9–10)
Optics › Light in the Atmosphere
Created by
StemPy Lab
Why do stars twinkle?
The Earth's spin makes the stars wobble
The stars switch their light on and off
Moving layers of air keep changing how their light bends, so the light reaching the eye flickers
Dust between the stars blocks their light now and then
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← In a 60° prism, a ray enters at 48° and leaves at 48°. What is the refractive index of the prism?
Why do planets not twinkle, although stars do? →
More on
Optics › Light in the Atmosphere
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
The program in this problem finds how much blue and red light is left in sunlight at different…
Hard
Astronauts on a space station, far above most of the air, see a black sky even in full sunlight.
Hard
Why are danger signals red? In a light haze of very small particles, how many times more is green…
Easy
Sunlight crosses about 1/(sin h) times as much air as from overhead.
Medium
All problems on this topic →