astronomy the study of stars, galaxies, planets, and more astronomy the study of stars, galaxies,...
Post on 21-Dec-2015
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Astronomy
The Study of Stars, Galaxies,Planets, and More
Astronomy
The Study of Stars, Galaxies,Planets, and More
The Solar System
The Solar System
The Sun is a star.
Center of theSolar System
109 x biggerthan Earth
~12,000°F
The Solar System also hasasteroids and comets.
Asteroids are rocky.
(They look like big potatoes.)
Comets have a lot of ice.
Comets also have rock, dust, and dirt.
They are called “Dirty Snowballs.”
Asteroids and comets orbit the Sun.
Comets have two tails!They point away from the Sun.
Comets leave behind dust and dirt.
Shooting stars are called “meteors.”
Making a Comet
1)100mlwater
2) a little bitof sand
4) morewater
3) crusheddry ice
I will weargloveswhen I
touch theice.