Astronomy Quiz Word Scramble
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| Question | Answer |
| what is the other name for a stellar nursery | Nebula |
| what type of galaxy is the Milky Way | spiral |
| how are galaxies classified | shape/size |
| why does the moon have a lot of craters but the earth does not | moon doesn't have an atmosphere for protection |
| what is the universe doing | expanding |
| what is a light year | distance light travels in a year |
| what is the difference between a constellation and a galaxy | constellation has a few stars, while a galaxy has billions |
| what elements make up most of the sun | hydrogen and helium |
| what causes a cloud of gas and dust to condense | gravity |
| According to H-R diagrams, what group does a star spend most of its life | main sequence |
| what are the inner planet? what are they called? | a planet that lies in the astroid belt. Terrestrial planets |
| what are the outer planets? what are they also called | a planet who's orbit lies outside the astroid belt. Jovian planets |
| what are most of the galaxies doing relative to each other | moving away from each other |
| How does our Sun compare to the other stars | it is the closest star to Earth, and it has an average temperature and size |
| What causes a star to emit electromagnetic energy | a nuclear fusion |
| what is the current proof that the Universe is expanding | when things move away they emit red waves, the galaxies are producing stronger and stronger wavelengths that before |
| what keeps a satellite in orbit around another planet | satellites velocity and planet's gravitational pull |
| why is the surface of Venus so hot? what gases make up the atmosphere | has a thick atmosphere made of carbon dioxide and nitrogen which keep the heat in |
| why is the surface of Mercury so hot | closest to the sun |
| where did the Asteroids come from | the astroid belt in between Mars and Jupiter |
| Why do scientists think that there once was life on Mars | it has the right conditions for life |
| What is the name of the beginning formation of a star | a gas cloud; molecular clouds |
| describe the sequence of events that our Sun will go through until its death | main sequence-->giant-->white dwarf |
| how do Galaxies that are further away from us compare in speed to galaxies that are closer | more distant a galaxy is, the farther it is moving away |
| Graph the relationship between distance from the Sun and period of revolution | Kepler's Third Law implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit |
| How does the color of the star compare to its temperature | closer to blue = hotter |
| how is mars like earth | -tilted at a similar angle -four seasons -polar ice caps |
| order of planets closest to least to the Sun | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune |
| Astronomical Unit? | The average distance between Earth and the Sun |
Created by:
carolinelee26
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