Is made up of all known objects (stars, solar systems, planets, moons, comets, space rocks, dust, gases) and energy in space.
|Big Bang Theory||
The great explosion that is thought to have caused the formation of the universe.
A family of stars.
|Milky Way Galaxy||
Galaxy that contains earth and the solar system
Contains the sun, eight planets, their moons, comets, asteroids, and meteoroids.
The idea that all objects in space revolve around Earth.
The idea that the sun is at the center of the solar system.
The movement of a space object, such as Earth, turning on its own axis.
The movement of one object, such as Earth, around another object, such as the sun.
A force that attracts objects to one another.
A space body made up of ice, dust, and small particles which
can be found in the Oort Cloud and Kuiper Belt.
Large space rock in the solar system. Can be found in the Asteroid belt between Mars and Jupiter.
A small space rock made of rock and metal that forms from asteroids and comets.
A meteoroid that hits earth’s surface.
A meteoroid that burns in the atmosphere.