Space Crossword Puzzle

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Across
  1. 1. - a bowl-shaped depressions formed by impacts (like meteorites) or volcanic activity
  2. 4. - a luminous sphere of plasma, primarily composed of hydrogen and helium, held together by its own gravity
  3. 5. - a celestial body that orbits a star, is massive enough for its own gravity to have formed it into a nearly round shape
  4. 9. - a recognizable star pattern used for navigation
Down
  1. 1. - a celestial object, often referred to as a "dirty snowball," composed of ice, dust, and rock, that orbits the Sun
  2. 2. - a icy, dusty, and rocky bodies that orbit the sun, often exhibiting a glowing tail as they approach the sun, and are remnants from the early solar system.
  3. 3. - a consists of stars, planets, and vast clouds of gas and dust, all bound together by gravity
  4. 6. - a 4.5-billion-year-old yellow dwarf star, the center of our solar system, composed primarily of hydrogen and helium, and its energy sustains life on Eart
  5. 7. - a celestial body that orbits a planet or another celestial body that is not a star.
  6. 8. - a third planet from the Sun, a rocky, terrestrial planet that is the only one in our solar system known to support life