SPACE

123456
Across
  1. 2. - Shines brightly in the night sky
  2. 4. - Group of stars forming a pattern in the sky
  3. 5. - All of space and everything in it
  4. 6. - Vehicle used to travel into space
Down
  1. 1. - A person who travels in space
  2. 3. - Device used to view distant objects in space