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4-2-3 -- Universe Science

Across
Basic energy particle, such as an electron, with a negative energetic charge
Opposite of gravity; exerts a negative, repulsive pressure
An astronomical object with a gravitational pull so strong that light cannot escape it
A condensing nebula, beginning the lifecycle of a star
When light is bent from a very distant bright source around a super-massive object
An object in space that emits energy in the form of light and heat
Change in perceived frequency of a wave
A galaxy classification where the shape is that of a giant pinwheel
Down
Matter that emits no electromagnetic radiation
A black hole's surface, defining the boundary of escape velocity
One of three classes of black holes
Current accepted theory of the origin of the universe
Galaxy that our solar system is in
A galaxy classification where the shape is a stretched out circle or ellipse
Also known as the North Star
Huge groupings of stars, gas, and dust in space