Space

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Across
  1. 3. a telescopes main light-gathering lens or
  2. 6. A distinctive pattern of stars used informally to organize a part of the sky.
  3. 7. Star
  4. 8. The edge of a celestial object’s visible disk.
  5. 9. When the Moon or other body appears more than half, but not fully, illuminated
  6. 11. a “dirty snowball” of ice and rocky debris, typically a few miles across, that orbits the Sun in a long ellipse.
  7. 12. When the Moon or a planet appears especially close either to another planet or to a bright star.
  8. 13. The fraction of the Moon or other body that we see illuminated by sunlight
Down
  1. 1. scope A small telescope used to aim your main scope at an object in the sky.
  2. 2. of view The circle of sky that you see when you look through a telescope or binoculars.
  3. 4. The part of a telescope that you look into.
  4. 5. Star A star whose brightness changes over the course of days, weeks, months, or years.
  5. 10. A star ending its life in a huge explosion. In comparison, a nova is a star that explosively sheds its outer layers without destroying itself.