Closet Planet to the Sun?
Mercury
This planet is considered Earth's twin...
Venus
What causes the moon to shine?
The reflection of light from the sun
What are the 2 different models astronomers believed?
Heliocentric and Geocentric
Why is Pluto a dwarf planet?
Because it is unable to knock objects out of its orbit.
Uranus
Where is the asteroid belt located?
Between Mars and Jupiter
What causes the sun to appear to rise and set?
What is found at the center of the heliocentric model?
Sun
What holds all planets in Space?
Gravity
Which planet is heavily cratered?
Mercury
Which planet has water that exist in all three phases of matter?
Earth
How long does it take Earth to revolve around the Sun?
365 days or 1 year
What is found at the center of the geocentric model?
Earth
This planet has the lowest density and tons of rings?
Saturn
What is the 6th planet?
Saturn
This planets surface is made of iron oxide...
Mars
What causes the moon to orbit Earth?
The gravity between the Moon and Earth
What two astronomers believed in the Geocentric model?
Aristotle and Ptolemy
This orbits the sun and is mostly composed of ice.
A comet
Put the following planets in order, smallest to largest.
Earth, Jupiter, Mars, Neptune
Mars, Earth, Neptune, Jupiter
Earth is mostly composed of what gases?
Nitrogen and Oxygen
When the South Pole is tilted toward the Sun, what season is the North Pole experiencing?
Winter
What two astronomers believed in the heliocentric model?
Copernicus and Galileo
What does Rockets Always Leave Space Icy stand for? Hint: Space Exploration Timeline
First Modern Rockets, Artificial Satellites, Lunar Missions, Space Shuttle, International Space Stations.