Astronomy Crossword

the measure of the pull of gravity on objects
a huge collection of objects (billions of stars and solar systems)
the distance light can travel in one year
a huge collection of gas and dust in space (early stage of a star)
a natural or manmade object that orbits another object
all celestial objects and space (nebula, planets, stars, etc)
moving around another object
a celestial object that produces its own light
the distance from the Sun to Earth
the amount of matter in an object
attractive force for all matter that is base on mass and distance
The _________ is the sun and all the bodies that orbit it.
A __________ is a meteoroid that reaches Earth's surface without burning up.
A small body of ice and dust.
The rocky planets that are closer to the sun.
Any large celestial bodies that orbit the sun but much smaller than the sun.
The sun does this to fuse hydrogen to helium and use as fuel.