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The Universe

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Key-words on the universe and it's expansion

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Crossword clues

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A collection of star systems
4 Across
The outermost region of the sun's atmosphere
6 Across
Energy that travels in waves or particles
7 Across
The number of occurrences within a given time period
9 Across
The transfer of heat through a fluid caused by molecular motion
11 Across
A magnifier of images of distant objects
14 Across
A relatively small extraterrestrial body consisting of a frozen mass that travels around the sun
15 Across
A ___ in the spectra of very distant galaxies toward longer wavelengths
16 Across
Force that pulls objects toward the Earth
1 Down
Ball of burning gas shining in the night sky
2 Down
A region of space resulting from the collapse of a star
3 Down
The cosmic explosion that is hypothesized to have marked the origin of the universe
5 Down
Any of numerous small celestial bodies composed of rock and metal that move around the sun (plural)
8 Down
Austrian physicist famous for his discovery of the ___ effect
10 Down
An ordered array of the components of an emission or wave
12 Down
Any of the nine large celestial bodies in the solar system that revolve around the sun and shine (plural)
13 Down

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