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AMS SOL 6.2
AMS SOL 6.2 Astronomy
| Question | Answer |
|---|---|
| Universe | everything that has been discovered so far |
| galaxy | a group of stars; our solar system is part of the Milky Way |
| solar system | one star and everything that revolves around it |
| gravity | force that holds objects in place in the Universe |
| rotate | to spin on the axis |
| revolve | to travel around another object (orbit) |
| length of Earth's rotation | 24 hr, 1 day |
| length of Earth's revolution | 365 days, l year |
| Mercury | inner planet closest to the sun with no atmosphere |
| Venus | extreme Greenhouse Effect makes this planet very hot |
| Earth | only planet with life |
| Mars | known as the Red Planet because of the red dust |
| Inner planets | Mercury, Venus, Earth, and Mars are all small and rocky |
| Asteroid Belt | many space rocks located between Mars and Jupiter |
| Jupiter | largest planet with giant red spot storm |
| Saturn | has the most extensive ring system |
| Uranus | tipped on its side, Methane makes it appear blue |
| Neptune | mostly ocean of blue Methane and other gasses |
| Pluto | one of several dwarf planets/ king comets |
| comet | a frozen nulceaus surrounded by a gasseous coma and followed by a dusty tail |
| asteroid | a space rock that orbits the sun in a group between Mars and Jupiter |
| meteoroid | a rock out in space that is not a part of the asteroid belt |
| meteor | a rock from space that has entered Earth's atmosphere |
| meteorite | a rock from space that hits Earth's surface |
| Day and Night | caused by the rotation of Earth |
| Seasons | caused by the tilt of Earth of its axis as it revolves around the Sun |
| Moon phases | caused by the moons revolution around the Earth |
| New Moon | no light is reflected off the moon so it cannot be seen |
| waxing crescent | sliver of light is visible on the right side of the moon |
| First Quarter moon | appears as a semicircle on the right side of the moon |
| waxing gibbous | more than 1/4 of the moon is visible on the right side |
| full moon | half of the moon is lit up and visible |
| waning gibbous | more than 1/4 of the moon is visible on the left side |
| Third Quarter moon | appears as a semicircle on the left side of the moon |
| waning crescent | sliver of light is visible on the left side of the moon |
| tides | caused by the gravitational pull of the moon and the sun on the waters of Earth |
| Solar Eclipse | a view of the Sun is blocked by the moon |
| Lunar Eclipse | a view of the moon is blocked as it passes through Earth's shadow |
| Yuri Gagarin | the first human in space, a Russian cosmonaut |
| Alan Sheperd | the first American in space |
| John Glen | the first American to orbit Earth |
| Sputnik | the first manmade satellite in space, from Russia |
| capsule | a 3-man pod launched by a rocket that first carried astronauts to space |
| Apollo Missions | American missions to the moon; 1969 mission 11 landed on the moon |
| Neil Armstrong | the first man to walk on the moon, from USA |
| Buzz Aldrin | the second man to walk on the moon, from USA |
| Space Race | a competition in the 1950-60's between USA and Russia for advancements in space technology |
| space probe | unmanned vehicles sent beyond Earth to take pictures and gather information about objects in space |
| Aristotle | ancient astronomer who tried to prove the Earth is a round sphere |
| Ptolemy | ancient astronomer who believed in a geocentric Earth centered universe |
| Copernicus | ancient astronomer who believed in a heliocentric sun centered universe |
| Galileo | invented a powerful telescope and was able to prove that the planets revolve around the sun |
Created by:
sford
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