space

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Across
  1. 2. the____is hot
  2. 4. 93 billion____years
  3. 6. what comet wont pass intil 2061
  4. 7. The largest known________is 965 km (600 mi) wide.
Down
  1. 1. the was once a piece of the Earth
  2. 2. space_____cost 12m
  3. 3. Andromeda Galaxy is approaching the
  4. 5. Astronomers have found a massive water vapor cloud which holds 140 trillion times the mass of