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Published on Nov 23, 2015
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1.
SPACE ROCKS
Photo by
bulliver
2.
Comets
Comets are made from ice rocks and metals
They have a tail that spans millions of kilometers
It's orbit goes pass Pluto where it's, very cold that's where it gets cold
It's orbit is oval instead of circular like a planet
High speed particles makes the tails of the comet
Photo by
Cestomano
3.
Comets continued
Scientist believe that comets carried elements to planets
They carried things like water from the ice
Halley Williams founded the first comet
He was an English astronomer
When the comet gets close to the sun the ice boils and steams up
Photo by
Cestomano
4.
Comets continued
Long period comets have no fixed orbits and travel 100 AU
Short period comets travel around 30 to 55 AU
AU stands for astronomical unit
Short period comets are near the icy region near Neptune
Long period comets have no fixed orbits and just go everywhere
Photo by
Ken_Lord
5.
Comets continued
Comets are very hard to spot even with today's technology
The ones that scientist see help them infer that there are vast numbers of them
The really bright ones have the sun shinning on them
Edmond Halley founded the first comet
He was and English atronomer, geophysics, mathematician, and physicist
Photo by
Ken_Lord
6.
Asteroids
Asteroids are made out of rock and other materials.
Meteors have no atmosphere on it, since it does not have enough gravity
The meteorites are classified in 3 types, the silicaceous, metallic, and carbonaceous
Most to all asteroids are located in the asteroid belt
The asteroid belt is between Jupiter and Mars .
Photo by
NASA's Marshall Space Flight Center
7.
Asteroids continued
The silicaceous type asteroids are bright and in the inner region of the belt
The metallic type asteroids are bright and are in the middle region of the belt
Carbonaceous type asteroids are dark in color and in the back region of the belt.
In 208, we will be missed by 600,000 miles by an asteroid.
The surface is covered in ice, from Co2, rock, craters, and minerals.
Photo by
FlyingSinger
8.
The 7 biggest asteroids
Ceres, 580 miles across (dwarf planet)
Pullas, 378 miles across
Vesta, 334 miles across
Hygiea, 289 miles across
Euphrosyne, 230 miles across
Photo by
FlyingSinger
9.
7 biggest asteroids continued
6. Intermania, 217 miles across
7. Davida, 201 miles across
Photo by
Emily Lakdawalla, Planetary Society Blogger
10.
Meteoroids
People call a meteoroids falling or shooting stars
Meteors are made of planets or satellites that deteriorate
There are three types a Stoney type iron type and a Stoney iron type
They are 80 to 70 feet above the earths atmosphere usually
It is really rare to have a meteor hit the earth and to have a big one
Photo by
NASA's Marshall Space Flight Center
11.
Meteoroids
Anthony Huston
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