This is motion around an axis.
What is rotation?
Seasons are the result of Earth's ___________.
What is tilt?
This caused the early solar system to change its shape and caused the Sun and planets to form.
What is gravity?
Earth and Mars are similar because they both rotate _____________.
What is slowly?
Earth is located here within the Milky Way galaxy.
What is in one of the arms?
This is motion of one object around another.
What is revolution?
The Moon is waning when it changes from __________ to ___________.
What is full moon to last quarter?
A planet or a dwarf planet does not share its orbital path with other objects in space.
What is a planet?
Earth and Mars have _________ on or below their surfaces.
What is ice?
The distance between stars is measured in units called ___________ years.
What are light?
This marks the beginning of summer or winter.
What is solstice?
High tides are highest when the Moon is in these two phases.
What are new and full?
Most asteroids orbit the sun between these two planets.
What are Mars and Jupiter?
Uranus and Neptune atmosphere's are not like Earth's because Earth's atmosphere has these two gasses in it.
What are nitrogen and oxygen?
This theory claims that the universe formed from a single point and is still expanding.
What is the Big Bang Theory?
This marks the beginning of fall or spring.
What is equinox?
When Earth casts a shadow on the Moon it is this type of eclipse.
What is lunar?
A comet has to be moving away or toward the Sun for it to develop a long tail.
What is toward?
Spherical objects that have their own orbital paths are ______________.
What are planets?
The local group is a _____________ made up of approximately 30 galaxies.
What is cluster?
These are two effects the Moon has on Earth.
What are solar eclipses and tides?
Earth is closest to the Sun when the northern hemisphere is in this season.
What is winter?
The outer or inner planets have many moons, ring systems, and small rocky cores.
What are outer planets?
These are small rocky objects between Mars and Jupiter.
What are asteroids?
The Local Group and other collections of stars, gases, and dust form these.
What are super clusters?