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The Universe

Teacher: Ms.Schultz
Across
Type of galaxy that has no definite shape.
The Milky Way is an example of this type of galaxy
In the future the Universe will most likely _______ forever.
Model of the solar system with the Sun at it's center.
Model of the solar system with the Earth at it's center
Millions and billions of stars held together in a group by their own gravity
Down
The Solar System is located on _______ arm in the Milky Way Galaxy
Astronomers learned that galaxies are moving apart by observing the _________ effect.
Microwave _________ is one piece of evidence discovered by Scientists that supports the Big Bang Theory.
The force that tends to pull together the matter in stars.
Space and all the matter and energy in it.
__________ galaxies have almost no gas or dust between the stars.
Scientists classify galaxies according to their ________.
The moment in time when the universe began to expand rapidly