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space/stronomy

the study of space and the obejcts in the universe

questions/termsanswers/Definition
one year 1 revolution of earth around the Sun (365 days)
one day 1 rotation of earth on its axis (takes 23 hours 56 minutes)but we round that to 24 hours
lunar eclipse the sunlight doesn't reach the moon therefore we can see the reflection of the moon at night. this happens because the moons orbit is kind of bumpy. the earth has the be positioned in-between the sun and the moon.
solar eclipse a solar eclipse is when we cannot see the sun during the day. the moon must be positioned in-between the earth and the sun. therefore the moon blocks the sunlight from reaching earth.
the big bang theory the theory that the universe used to be in one single spot/point. the point is believed to have been very hot and dense. they believe that the matter and energy "exploded" and rapidly expanded and cooled.
day and night this is caused because of earths rotation on its axis
objects floating in space objects float in space because the farther you get from earth the less gravity you have so you drift and float because you have no gravity.
moon it takes 27 days approx. for the moon the travel around earth. during these 28 days the moon will showcase all of its phases to earth. the moon can be waxing of waning. NO WEATHERING OR EROSION
asteroid belt this contains many of the universe asteroids and it also separates the outer planets from the inner planets
inner planets Mercury, Venus, Earth, and Mars (ROCKY ROCKY ROCKY!!!)
outer planets Jupiter, Saturn, Uranus and Neptune (GAS GIANTS!!!)
comet chunk of ice and rock that orbits the sun like a planet would or does
meteor a light that is produced by the burning of a meteoroid or "space rock" as it enters earths atmosphere
how do you get really high tides? when earth the moon and the sun are aligned in one perfect line.
how do you gain and lose gravity? well the closer you get to a planet or star the greater the effect of their gravity you get. the farther you move away from it the less of the impact you have.
light year the distance light can travel in a year
satellite a natural or manmade object that that revolves around another object**
asteroid a large meteoroid in space
constellations patterns of stars in the sky
length of year compared to distance from sun the closer a planet to the sun the shorter their year is
greater and lesser gravitational pull the larger a planet the more gravity you have there
geocentric theory the theory that earth is the center of the "universe"
heliocentric theory the theory that the sun is the center of the "universe"
milky way galaxy the galaxy in which our solar system is a part of. we are on a spiral galaxy and located on the Orion arm
time it takes light to reach earth 8 minutes
is the universe still expanding? YES!!!
Created by: jhameriaforever
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