SPACE

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Across
  1. 2. Bill Nelson is the CEO of this company
  2. 3. any sort of fine particles smaller than a grain of sand.
  3. 5. The point in the Moon's orbit where it is farthest from Earth
  4. 6. where Earth's atmosphere meets space
  5. 7. The boundary where the gravitational pull of a planet or moon is equal to the gravitational pull of a nearby celestial body
  6. 8. galaxy containing the solar system
  7. 9. a bowl-shaped depression, or hollowed-out area, produced by the impact of a meteorite, volcanic activity, or an explosion.
  8. 10. a celestial object, thought to be a rapidly rotating neutron star, that emits regular pulses of radio waves
Down
  1. 1. barred spiral galaxy, also known as Messier 31
  2. 2. A type of star that has exhausted its nuclear fuel and has collapsed under gravity
  3. 4. A system consisting of a dominant spiral galaxy surrounded by a cloud of dwarf satellite galaxies, often ellipticals.
  4. 5. The study of the physical and chemical properties of celestial objects
  5. 6. critically acclaimed science fiction films of the last decade
  6. 9. The layer of the Sun's atmosphere visible during a total solar eclipse