How do inner planets differ from the outer planets?
Inner planets are rocky, Outer planets are gaseous.
100
What type of galaxy is most common?
Elliptical
200
A piece of rock and metal that orbits the sun.
Asteroid
200
The turning of an object on its axis.
Rotation
200
Bella looks up at the night sky and sees a full moon. What phase of the moon will she see in one week?
Third quarter moon
200
Does Mars, Mercury, or Venus have a longer year than Earth? Why?
Mars, because it travels farther to complete its orbit.
200
Which galaxy do we live in?
Milky Way
300
A relatively small piece of rock that enters Earth's atmosphere around another object.
Meteor
300
An imaginary line through Earth from the North Pole to the South Pole.
Axis
300
Which phase occurs when the moon is on the opposite side of Earth from the sun?
Full moon
300
John read in the newspaper that Venus was in its full phase. Why couldn't she see Venus in its full phase?
The Sun was in the way.
300
Which type of galaxy is the Milky Way?
Spiral
400
A ball of ice, rock, and frozen gases that orbits the sun.
Comet
400
The movement of one object in an orbit around another object.
Revolution
400
Which phase occurs when the moon is on the same side of Earth as the sun?
New Moon
400
What is likely to happen when Earth's orbit intersects the tail of a comet?
A meteor shower that will last until Earth moves out of the dust cloud.
400
What is the name of the band of stars that runs diagonally on the H-R diagram?
Main Sequence Stars
500
A body in space that orbits a larger body.
Satellite
500
What causes an eclipse?
One object passes through the shadow of another object.
500
Where is the moon during a Solar Eclipse?
Between the sun and the earth.
500
Jupiter and the other largest outer planets give off more heat energy than they receive from the sun. How do you think this would affect the temp. of the moons that revolve around these planets?
The moons nearest these planets are warmer than those farther away or the side facing the planet would be warmer.
500
Describe the birth of a star.
1. A cloud of dust and gas. 2. They gas and dust clump. 3. High temperatures occur and fusion begins.