Across
- 2. highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles.
- 3. having or representing the earth as the centre, as in former astronomical systems.
- 5. A satellite that rotates that rotates around the Earth and Sun
- 7. An astronomical object of very high luminosity found in the centres of some galaxies
- 9. All space-time, matter, and energy, including the solar system, all stars and galaxies, and the contents of intergalactic space, regarded as a whole.
- 10. huge glowing ball of hot gas, mainly hydrogen and helium.
Down
- 1. having or representing the sun as the centre, as in the accepted astronomical model of the solar system.
- 4. an icy, small Solar System body that warms and begins to release gases when passing close to the Sun
- 6. Consist of ionized, neutral, or molecular hydrogen and also cosmic dust
- 8. powerful and luminous explosion of a star.