Across
- 1. a broad band of light that can be seen in the night sky and that is caused by the light of a very large number of faint stars
- 4. a star in the northern circumpolar constellation of Ursa Minor
- 7. a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements
- 8. a red supergiant star of spectral type M1-2 and one of the largest visible to the naked eye
- 9. a space probe launched by NASA on September 5, 1977
- 10. a group of stars that forms a particular shape in the sky and has been given a name
- 12. a doughnut-shaped ring of icy objects around the Sun, extending just beyond the orbit of Neptune from about 30 to 55 AU.
- 14. sits more or less directly above Earth's north pole along our planet's rotational axis
- 15. is the source of our light and is a big star
- 18. a moon, planet or machine that orbits a planet or star
- 20. a hour and 30 mins transferred to all minutes
- 21. a regular, repeating path that one object in space takes around another one
- 22. we live on the planet called _______
- 23. a large telescope in space.
- 25. a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity
- 26. guardians of the ________
Down
- 2. a large spacecraft in orbit around Earth
- 3. an Ethiopian princess of Greek mythology rescued from a monster by her future husband Perseus
- 4. our ______ is called earth
- 5. a force that makes thing fall down
- 6. property of a body by virtue of which it opposes any agency that attempts to put it in motion or, if it is moving, to change the magnitude or direction of its velocity
- 11. a star system, and is widely believed to be the closest to the solar system at a distance of 4.37 light years
- 13. an extreme red hypergiant or red supergiant star in the constellation Scutum
- 16. a giant cloud of dust and gas in space
- 17. a dimensionless quantity representing the amount of matter in a particle or object
- 19. buzz _______ from toy story
- 24. a place in space where gravity pulls so much that even light can not get out
- 25. the brightest star in the night sky. called also Dog Star