Across
- 5. Any planet that orbits a galactic centre directly.
- 6. The place where Dr.Floyd takes a ball of snow to create his own 'comet'.
- 8. The three types of twilight are civil,astronomical and ....
- 10. The three rules that robots should follow
- 11. ..... introduced a new way to calculate the path of ceres.
- 12. The Great Square of Pegasus
- 15. The fourth largest moon in the solar system.
- 18. A pattern of stars in the Earth's night sky.
- 19. Field galaxies are the galaxies that are ..... isolated.
- 20. A feature which is created by the ionized matter ejected from the surface of Io due to the gravity of Jupiter.
- 21. STIRF
- 23. Rapid variations in the color, position of a star viewed through a medium.
- 24. One of the scientists that tried to measure the speed of light.
Down
- 1. These waves can be polorized
- 2. A scale which is used to measure the seeing of the night sky.
- 3. A type of stars which both the white dwarfs and neutron stars belong.
- 4. Big Bang Theory
- 7. The helio-boundary locates 75 to 90 Au away from the Sun.
- 9. Phobos
- 13. Clestial Equator is a .....
- 14. Local Supercluster
- 16. The first recorded pulsar occured in.....
- 17. To determine whether convection occurs in a star we need to find its .....
- 22. Any very large concentration of mass at the centre of a galaxy.