UNIVERSE Crossword

What has billions of stars?
One complete circuit around a celestial body
What is our closest star?
Orbit some celestial body in space
How much matter that object is made from
Anything with _______ will weigh something on Earth
The force that attracts anything with mass
The measure how condensed an object is
The inhabitant of a particular environment
A group of galaxies held together by gravity
What we see at night when we look up
An objective that refers to the cosmos
A large spiral galaxy located 2.5 million light years away similar to the milky way
Someone who works with another; a co-worker or team member
Physical objects or particles that emit no detectable radiation of their own
Spread out thinly over a great area; not concise or concerned.
What is our galaxy?
Spread out parallel rays of light
An atom or molecule with an electrical charge due to the loss of gains of one or more electrons
The distance light travels in one year, about 9.48 kilometers; 6 trillion miles