Physics Flashcards
What galaxy theory do most people believe in?
Big bang theory
What solar system model do most people believe in?
heliocentric model (started by Nicolas Copernic) were the sun is at the middle
what other solar system model did most people in the past believe in?
Geocentric model were the earth was the center of the earth.
what is the main evidence do we have to prove the heliocentric model
That earth rotate around the sun
what type of satellite rotation are there.
Low orbit, polar orbit, geostationary orbit.
how long does it for a geostationary orbit satellite to travel around earth
1 day
how long does it take for a low polar orbit to go round earth?
99 minutes
how long does it take for a low earth orbit to go round earth.
less than 2 hour.
what can a geostationary orbit be used for.
A tv satellite
what orbit does the ISS use
A low earth orbit.
What can a low polar orbit be used for.
A weather satellite
What are the benifits of a space program
Orgnised, Gives people information that they might need , you know what precausions you need.
What are the risks of a space program
You might not prepare engough you can get stuff wrong you might need to change it and mess the program up
What qualites might another planet need to be habitible.
Gravity, water, day and night.
What is the closest habital planet
Mars
