space exploration

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Across
  1. 2. the force that causes something to fall to the ground or to be attracted to another planet
  2. 4. information or facts
  3. 7. to fasten or connect one object to another
  4. 8. a way of doing something, especially the correct or usual way
Down
  1. 1. not very great in amount, number, ability etc
  2. 3. someone who travels and works in a spacecraft
  3. 4. a strong hope or wish
  4. 5. to disagree with someone in words, often in an angry way
  5. 6. the regular way in which something happens, develops, or is done