Across
- 4. a large galaxy surrounded by dwarf galaxies
- 5. fastest rotating neutron star
- 6. space between stars of a galaxy
- 8. theory explaining origin of universe
- 9. displacement in apparent position of a star
Down
- 1. a dark asteroid belt of our solar system
- 2. imaginary belt of constellations in sky
- 3. supermassive blackhole at distant space
- 4. second largest space telescope
- 7. a cloud of gas and dust in space