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AMS SOL 6.8

QuestionAnswer
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
Aristotle ancient astronomer who tried to prove the Earth is a round sphere
Ptolemy ancient astronomer who believed in a goecentric 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
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
Created by: sford