Universe and Space
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
The field of study of the universe is called
2.
The reversal of direction of planets is called as
4.
Natural satellites are also called
Down:
1.
The galaxy that is closest to our Milky Way is
3.
Billions of stars consitute a system called as
OK