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Space – Align the Stars 1. The sun, together with all the planets, asteroids, comets, and meteors that orbit around it, collectively make up our _____________. Answer: Solar System 2. What theory suggests that the universe was created after a huge explosion? Answer: Big Bang Theory 3. How many planets are in our solar system? Answer: 8 4. Which planet has been removed from the list of planets by the International Astronomical Union. This planet is now considered a dwarf planet. Answer: Pluto 5. What do we call the second full moon that appears in a month? Answer: Blue Moon 6. Huge fragments of rock left spinning in space and orbit the sun are called __________. Answer: Asteroids 7. What was the first creature to orbit the Earth aboard the Russian spacecraft Sputnik 2 on November 3, 1957? Answer: A dog named Laika 8. Who was the first person in space? Answer: Russian cosmonaut Yuri Gagarin, orbited the earth on April 12, 1961 9. A group of satellites doing the same kind of work are called a _________________. Answer: constellation 10. A group of billions of stars, dust and gas bound together by gravitational force is called a _____________. Answer: Galaxy 11. Pairs of stars which revolve around the same center of gravity are known as __________. Answer: Binary Stars 12. What is the brightest known star? Answer: Pistol Star (10 million x brighter than the sun) 13. How many rings do Jupiter and Uranus have? Answer: Jupiter 3 – not even seen with most powerful telescopes; Uranus 11; 14. __________ is when the moon comes between the sun and the earth blocking the sun from our view. Answer: Solar Eclipse 15. Storms on the surface of the sun which appear as dark areas in satellite pictures are called __________. Answer: Sunspots 16. Which planet is closest to the sun? Answer: Mercury 17. Which planet is considered the Red Planet? Answer: Mars 18. What is the largest planet? A thousand Earths could fit inside of it. Answer: Jupiter 19. What three planets have rings? Answer: Saturn, Jupiter, and Uranus 20. What do Saturn’s rings consist of? Answer: Dust particles and pieces of ice; the ice reflects light, causing the rings to shine