Space crossword

12345678
Across
  1. 1. what are the largest black holes called
  2. 5. light speed how fast do you have to travel to escape a black hole
  3. 6. What is it called when there’s a gap billions of galaxies wide in space
  4. 7. What is the largest black hole ever discovered
Down
  1. 1. what is the centre of a black hole called
  2. 2. disk What is the yellow disc around a black hole called
  3. 3. how many planets is the earth away from the sun
  4. 4. What was the first creature to be sent to space
  5. 8. How many people have gone to the moon