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Our Earth and Beyond
19
Crossword
Umbra: The inner shadow created during an eclipse.
Penumbra: The outer shadow created during an eclipse.
Copernicus: He came up with the heliocentric theory of the solar system.
Elliptical: Type of galaxy with hydrogen clouds and gas in between the stars.
Spiral: Our own galaxy is one!
Newton: He discovered the three laws of motion.
Galileo: He was the first to observe the night sky through a telescope for astronomical purpose.
Solar: A type of eclipse when the moon passes between the sun and the earth.
Lunar: A type of eclipse when the earth passes between the sun and the moon.
Ptolemy: Greek Philosopher who first proposed geocentric system.
Kepler: German astronomer who discovered that planets orbit the sun in ellipses.
Orion: The constellation that represents the Hunter in Greek mythology.
Moon: The fifth largest natural satellite in the solar system .
Nebula: A gas cloud.
Star: A sphere of glowing, ionized gases.
Asteroid: Irregular chunks of rock that orbit the sun, in between the orbit of Mars and Jupiter.
Meteor: Chunks of rock that enter the earths atmosphere.
Solar System: Made up of our sun and orbiting celestial bodies.
Comet: Rocky balls of ice, frozen gas and metals, with a tail of gas and dust.
Galaxy: Made up of a large number of stars and dust, held together by gravity. There are three main types.
Irregular: Type of galaxy that is neither spiral or elliptical.
Eclipse: The partial or complete obscuring of one celestial body by another.
Our Earth and Beyond
Across:1. | He was the first to observe the night sky through a telescope for astronomical purpose. | 3. | Made up of our sun and orbiting celestial bodies. | 4. | He came up with the heliocentric theory of the solar system. | 7. | The outer shadow created during an eclipse. | 12. | The fifth largest natural satellite in the solar system . | 13. | Type of galaxy with hydrogen clouds and gas in between the stars. | 14. | Type of galaxy that is neither spiral or elliptical. | 16. | The constellation that represents the Hunter in Greek mythology. | 18. | A type of eclipse when the earth passes between the sun and the moon. | 19. | Greek Philosopher who first proposed geocentric system. |
| | Down:2. | The partial or complete obscuring of one celestial body by another. | 5. | A gas cloud. | 6. | Our own galaxy is one! | 8. | Chunks of rock that enter the earths atmosphere. | 9. | Irregular chunks of rock that orbit the sun, in between the orbit of Mars and Jupiter. | 10. | The inner shadow created during an eclipse. | 11. | German astronomer who discovered that planets orbit the sun in ellipses. | 15. | Made up of a large number of stars and dust, held together by gravity. There are three main types. | 17. | Rocky balls of ice, frozen gas and metals, with a tail of gas and dust. |
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© 2013
PuzzleFast.com, Noncommercial Use Only
Our Earth and Beyond
Across:1. | He was the first to observe the night sky through a telescope for astronomical purpose. | 3. | Made up of our sun and orbiting celestial bodies. | 4. | He came up with the heliocentric theory of the solar system. | 7. | The outer shadow created during an eclipse. | 12. | The fifth largest natural satellite in the solar system . | 13. | Type of galaxy with hydrogen clouds and gas in between the stars. | 14. | Type of galaxy that is neither spiral or elliptical. | 16. | The constellation that represents the Hunter in Greek mythology. | 18. | A type of eclipse when the earth passes between the sun and the moon. | 19. | Greek Philosopher who first proposed geocentric system. |
| | Down:2. | The partial or complete obscuring of one celestial body by another. | 5. | A gas cloud. | 6. | Our own galaxy is one! | 8. | Chunks of rock that enter the earths atmosphere. | 9. | Irregular chunks of rock that orbit the sun, in between the orbit of Mars and Jupiter. | 10. | The inner shadow created during an eclipse. | 11. | German astronomer who discovered that planets orbit the sun in ellipses. | 15. | Made up of a large number of stars and dust, held together by gravity. There are three main types. | 17. | Rocky balls of ice, frozen gas and metals, with a tail of gas and dust. |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only