Across
- 5. an expert about space
- 6. very thin, about 100 times wider than its own height
- 7. we live in this place
- 8. the colossal explosion of a star
- 10. when the milkyway and a dwarf galaxy mix
Down
- 1. when the milkyway was created
- 2. astronomer from university of cambridge
- 3. what rix calls enriched metals through supernovas
- 4. launched in 2013 to chart the milkyway
- 9. a cloud of gas which is slowly forming into a galaxy