Show:
The Sun
Terrestrial Planets
Gas Giants
Gravity
History of Astronomy
100
Helio means:
What is sun?
100
The largest terrestrial planet is:
What is Earth?
100
The largest gas giant is:
What is Jupiter?
100
The path that a body follows around another body is:
What is orbit?
100
A model with Earth in the center of the solar system is called:
What is geocentric?
200
The sun is mostly made of these two gases:
What are hydrogen and helium?
200
Mercury has zero these:
What are satellites?
200
Uranus has a 98° this
What is axial tilt?
200
This principle explains that a planet orbits in an ellipse with the sun at one focus
What is Kepler's first law?
200
This Greek astronomer was the first to believe in a heliocentric universe:
Who is Aristarchus?
300
It's the process that the sun uses to create energy
What is nuclear fusion?
300
This gas makes temperatures very high on Venus
What is carbon dioxide?
300
This gas makes the two ice giants (Uranus and Neptune) seem bluish
What is methane?
300
He made the law of universal gravitation
Who is Sir Isaac Newton?
300
This Polish astronomer made the first detailed heliocentric model of the solar system
Who is Copernicus?
400
The sun's this rotates the fastest
What is equator?
400
It takes Mercury 58 Earth days to do this
What is rotate?
400
Neptune has stronger these than any other planet in the solar system
What are winds?
400
It's the inward force that keeps an object moving in a circular path
What is centripetal force?
400
Galileo saw that Venus has these like the moon
What are phases?
500
When our sun dies, it will grow to this size of a star
What is a red giant?
500
Mars' atmosphere is thin because of these
What are solar winds?
500
This moon of Jupiter is larger than Mercury. No wonder it's also the largest moon in the solar system.
What is Ganymede?
500
To escape a body's gravitational pull, an object must have lots of this
What is escape velocity?
500
Neptune was dicovered in this year
What is 1846?