The Big Bang Theory Crossword

This type of Galaxy looks like lips
All existing matter and space considered as a whole; the cosmos.
This type of universe is what our galaxy looks like
This type of galaxy has no definite shape
a fixed luminous point in the night sky that is a large, remote incandescent body like the sun.
The Earth is one of these, there are 8 in our solar system
Closest Star
This exists between Mars and Jupiter
Another nickname for a comet
A meteor that hits the earth
a cloud of gas and dust in outer space
This man first came up with the idea that the universe is expanding (his first name only)
This famous telescope was named after this man (his first name only)
The name of our universe
What was the small point that the Universe came from?
Was this point dense or uncompressed?
What is one of the elements that is abundant in space?
What is the other element that is abundant in space?
What can be found that is leftover from the Big Bang?
What is a natural satellite of a planet?