The rise and fall of water evels in oceans and seas.
What are tides?
The enormous group of stars that move through space.
What are galaxies?
These are meteor showers visible from earth.
It takes this long for the moon to revolve around the Earth.
What is 28 days?
These are made from ice, dust, and gas.
What are comets?
This is the force by which a planet draws objects towards the center.
What is gravity?
This is galaxy where our Solar System is
What is "The Milky Way?"
It causes the phases of the moon.
What is rotation and revolution?
These are small pieces of asteroids and comets that travel through space.
What are meteroids?
This is the date when winter starts.
What is December 21st or 22nd?
This is the coldest planet
What is Neptune?
This is the age of our solar system.
What is 4.6 billion years?
The largest planet in the Solar System
What is Jupiter?
This is when the moon blocks the sun.
What is the solar eclipse?
When the moon is a large, round, circle in the night sky.
What is the full moon?
This is the the most popular dwarf planet.
What is pluto?