space study
planets
space rocks
moons
stars
100

The study of the universe and the objects found in space.

What is astronomy?

100

These are the eight primary planets.(in order)

What are Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,and Neptune?

100

These are rocky masses without atmosphere that orbit the sun.However they are to small to be a planet.

What are asteroids?

100

Jupiter has this many moons.

What are 79 moons?

200

The theory that the sun and planets orbit around the Earth.

What is the geocentric theory?

200

These are the three requirements to be a planet. 

What is

1.It must orbit a star(the sun)

2.It must be large enough and have enough to form a spherical shape.

3.It must have enough gravity to clear away other objects of the same size?

200

As a comet's orbit gets close to the sun,it develops a  what. 

What is a coma?

300

This is the person who proved the heliocentric theory.

Who is Galileo?

300

This is how long a year is on Mercury.

What is 88 Earth days? 

300

These are the three composition classes of asteroids.

What are C-Type,S-Type,and M-Type?

400

The two Greek scholars who had the geocentric theory.

Who are Ptolemy and Aristotle?

400

 A planet that has a solid surface with rocky terrain.

What is Mars?

400

This meteor shower will be on October 8.

What is the Draconid Meteor Shower?

500

The 1960's were known as this.

What is the golden age of space exploration?

500

These are the first five recognized dwarf planets.

What are Pluto,Ceres,Eris,Makemake,and Haumea.

500

This is the

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