Across
- 2. Bill Nelson is the CEO of this company
- 3. any sort of fine particles smaller than a grain of sand.
- 5. The point in the Moon's orbit where it is farthest from Earth
- 6. where Earth's atmosphere meets space
- 7. The boundary where the gravitational pull of a planet or moon is equal to the gravitational pull of a nearby celestial body
- 8. galaxy containing the solar system
- 9. a bowl-shaped depression, or hollowed-out area, produced by the impact of a meteorite, volcanic activity, or an explosion.
- 10. a celestial object, thought to be a rapidly rotating neutron star, that emits regular pulses of radio waves
Down
- 1. barred spiral galaxy, also known as Messier 31
- 2. A type of star that has exhausted its nuclear fuel and has collapsed under gravity
- 4. A system consisting of a dominant spiral galaxy surrounded by a cloud of dwarf satellite galaxies, often ellipticals.
- 5. The study of the physical and chemical properties of celestial objects
- 6. critically acclaimed science fiction films of the last decade
- 9. The layer of the Sun's atmosphere visible during a total solar eclipse