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Astronomy Part 2

TermDefinition
waxing light is increasing
waning light is decreasing
Facts About the Moon 1) the moon revolves around Earth 2) The moon's cycle is 28 days 3) light from the sun is reflected off the moon
The Giant Impact Theory describes where the moon came from
tides the rise and fall of water
high tide the rise of water
low tide the fall of water
how many high and low tides 2 high tides and 2 low tides
the reason for tides gravity
gravity a force that pulls other objects towards it
the universe everything that exists
a galaxy a collection of stars, gas, and dust held together by gravity
solar system a group of planets that orbit around a star
the order of things in space (1) universe, (2) galaxy, (3) solar system, (4) planet
scale model a model that is smaller but similar to the original object
classification organizing things into groups
temperature how hot or cold something is
distance how close or far away an object is
size how small or large an object is
how to classify stars color/temperature, distance, size
hottest star color blue
coolest star color red
star's brightness tells us how far away (distance) the star is
star's size tells us how much light and heat a star makes
star's color tells us the star's temperature
vacuum an area that has no air resistance
full moon a moon that is completely lit up
new moon a moon is completely dark
crescent moon a moon that is shaped like a banana
Created by: user-1778427
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