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100
the largest planet
What is Jupiter
100
the brightest planet
What is Venus
100
this scientist was persecuted for criticizing the geocentric model
Who is Galileo
100
another name for a meteor
What is a shooting star
100
this planet is one AU from the sun
What is Earth
200
this scientist proposed deferents and epicycles
Who is Ptolemy
200
planets that are farther from the sun than the earth
What are superior planets
200
this scientist formulated the 3 laws of planetary motion
Who is Kepler
200
Between which two planets does the asteroid belt lie?
What are Mars and Jupiter
200
A large moon is also known as this
What is a small solar system body
300
the basis of the heliocentric theory is that planets move in this type of orbit, which is inaccurate
What is circular
300
All known planets rotate on an axis, revolve around the sun , and do this
What is orbit in an elliptical path
300
This scientist said that planets moved in their orbits by these two things: their orbital speed interacting with gravity
Who is Newton
300
the term for planets that are similar to the earth in size and density
What are terrestrial planets
300
This planet is least likely to be studied by an astrogeologist
What is Uranus
400
Most of the planets in the solar system are named for this
What are Roman gods and goddesses
400
These two planetary objects were predicted to exist before they were discovered
What are Pluto and Neptune
400
this scientist applied gravity to planetary motion
Who is Newton
400
this scientist introduced a heliocentric model
Who is Copernicus
400
the fastest revolving planet
What is Mercury
500
This scientist discovered four moons of Jupiter in 1610
Who is Galileo
500
The planet that is both terrestrial and superior
What is Mars
500
the name for comets that that reappear at regular, predictable intervals
What are periodic comets
500
When planet gives the optical illusion of stopping and moving backwards against the stars
What is retrograde motion
500
this scientist combined geocentric and heliocentric models
Who is Tycho
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