Across
- 3. - object with a gravitational pull so strong that nothing not even light can escape it
- 5. -any of certain groupings of stars that were imagined by the way they looks at least by those who named them—to form a of objects or creatures in the sky
- 7. -the distance light travels in one Earth year
- 11. - star a natural luminous body visible in the sky especially at night
- 13. -a permanently crewed, orbiting laboratory and habitat built through international collaboration
- 16. - a powerful telescope launched into orbit around Earth to observe the universe
- 17. -the first spacecraft to cross the heliosphere
- 18. -collection of gas, dust, and billions of stars and their solar systems, all held together by gravity
- 19. - weight-a large quantity, amount, or number. a mass of material.
- 20. -the planet on which we live- the world.
- 22. -North Star, a star of the second magnitude situated close to the north pole of the heavens, in the constellation Ursa Minor
- 23. -a regular, repeating path that one object in space takes around another one
Down
- 1. - a region that orbits in a icy way?
- 2. -anything that orbits a planet or a star
- 4. -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
- 6. -a looking ball that revolve around the Sun in the solar system
- 8. -a triple star system in the constellation Centaurus
- 9. -tendency to do nothing or to remain unchanged.
- 10. -any atom or ion that has only one electron orbiting its nucleus
- 12. - 1 hour 30mins
- 14. -enormous cloud of dust and gas copying in the space like a star
- 15. -an Ethiopian princess of Greek mythology rescued from a monster by her future husband Perseus
- 21. -an invisible force that pulls objects toward each other