Galaxies and gravity - Khan Academy
Interactive Video
•
Mathematics
•
8th Grade
•
Hard
Pranav Goyal
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What holds galaxies together?
a tight asteroid belt
gravity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the 2 factors that have an effect upon the strength of gravity?
distance and time
time and speed
distance and mass
mass and speed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is causing the Milky Way Galaxy and the Andromeda Galaxy to be pulling together?
the force of gravity
Star production is increasing
the galaxies are getting cold
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When it comes to what keeps the universe, galaxies, and solar systems working and organized in the way it it, ___________ is the most important force.
electromagnetism
friction
gravity
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