Houston, We Have A Puzzle

No problem here, just a stellar grid.
Solve clues about space exploration, astronomy, and NASA in this puzzle filled with science facts, pop culture, and cosmic wordplay.
Select a cell to see clues
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Print

Across

  • 1A
    Gather and store, like moon rocks
  • 6A
    'Houston, we have an ___'
  • 7A
    Where stargazers look
  • 8A
    The fourth dimension, in physics
  • 9A
    They have their own belts and wars?

Down

  • 1D
    Qualifying races
  • 2D
    An annual trip for the Earth
  • 3D
    What astronauts compare to hot metal or seared steak
  • 4D
    Curiosity on Mars, for one
  • 5D
    Put on one's spacesuit, say