Download - Our solar system
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Our Solar System
By Aman Kumar
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Our Solar System
Our solar system is made up of:
Sun
Nine planets
Their moons
Asteroids
Comets
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Inner Planets
The inner four rocky planets at the center of the solar system are:
Mercury
Venus
Earth
Mars
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Mercury
Planet nearest the sun
Second smallest planet
Covered with craters
Has no moons or rings
About size of Earth’s moon
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Venus Sister planet to Earth
Has no moons or rings
Hot, thick atmosphere
Brightest object in sky besides sun and moon (looks like bright star)
Covered with craters, volcanoes, and mountains
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Earth Third planet from sun
Only planet known to have life and liquid water
Atmosphere composed of composed of Nitrogen (78%), Oxygen (21%), and other gases (1%).
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Mars Fourth planet from sun
Appears as bright reddish color in the night sky
Surface features volcanoes and huge dust storms
Has 2 moons: Phobos and Deimos
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Outer Planets
The outer planets composed of gas are :
Jupiter
Saturn
Uranus
Neptune
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Jupiter
Largest planet in solar system
Brightest planet in sky
60+ moons, 5 visible from Earth
Strong magnetic field
Giant red spot
Rings have 3 parts: Halo Ring, Main Ring, Gossamer Ring
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Saturn
6th planet from sun Beautiful set of rings 31 moons Largest moon, Titan, Easily visible in the night
sky Voyager explored Saturn
and its rings.
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Uranus
7th planet from sun Has a faint ring system 27 known moons Covered with clouds Uranus sits on its side
with the north and south poles sticking out the sides.
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Neptune
8th planet from sun Discovered through math 7 known moons Triton largest moon Great Dark Spot thought
to be a hole, similar to the hole in the ozone layer on Earth
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Most of the Moon's surface is covered with regolith, a mixture of fine dust and rocky debris produced by meteor impacts.
The Moon has no atmosphere. But evidence from the Clementine spacecraft suggests that there may be water ice in some deep craters near the Moon's south pole.
Most rocks on the surface of the Moon seem to be between 4.6 and 3 billion years old.
The gravitational forces between the Earth and the Moon cause some interesting effects. The most obvious is our ocean tides.
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A meteor is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at extremely high speeds on parallel trajectories. Most meteors are smaller than a grain of sand, so almost all of them disintegrate and never hit the Earth's surface. Intense or unusual meteor showers are known as meteor outbursts and meteor storms, which may produce greater than 1,000 meteors an hour.
meteor
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Asteroids
Small bodies Believed to be left over
from the beginning of the solar system billions of years ago
100,000 asteroids lie in belt between Mars and Jupiter
Largest asteroids have been given names
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Comets
Small icy bodies
Travel past the Sun
Give off gas and dust as they pass
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