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Components of the Universe
Jigsaw Activity
Other Space Stuff
What are asteroids?:
An asteroid is a large rock
in outer space.. Some, like Ceres
others area as small as a grain of sand. Due to their Smaller
enough gravity to pull themselves into the shape of a ball.
The asteroid
, can be very large, while
size, asteroids do not have
is divided into an inner belt an outer
Where did the Asteroid Belt come from?:
Asteroids are left
over materials from the formation of the solar -system.
Random Info on 2nd website:
If all of the asteroids were combined into a ball, they would still be much smaller than Earth's moon
. If the sun was as tall as a typical front door, Earth would be the size of a nickel, the moon would be
about as big as a green pea and Ceres (the largest object in the main asteroid belt) would be as small as
a sesame seed.
Most Asteroids orbit our sun, a star, in a region of space c the orbits of Mars and Jupiter known as the
Asteroid Belt.
Asteroids are solid, rocky
Asteroids do not
and irregular bodies.
have atmospheres.
What are Comets?:
A comet is a small world which scientists sometimes call planetesimal. They are made out of
and ice, kind of like a dirty
snow ball.
Where do they come from?:
Comets come from
places: The Kuiper Belt and the Oort Cloud.
Random Info on 2nd website:
Comets are cosmic snowballs of frozen gases, rock and dust roughly the size of a small
. When a comet's orbit brings it close to the sun, it heats and spews dust and gases into a giant glowing
head larger than most planets. The dust and gases form a tail
that stretches away from the
sun for millions of kilometers.
The Dwarf Planet:
Pluto is smaller than
the Earth’s
planet at all.
of the moons in the Solar System. It is about two-thirds small than
. Because it is so small, many scientists
consider it a
Pulto has
moons. The largest is named
. Charon is only slightly smaller
than is parent Pluto. For this reason, Pluto and Charon are often called a double planet system.
Random Info on 2nd website:
Click Dwarf Planets on the sideIf the sun were as tall as a typical front door, Earth would be the size of a nickel and dwarf planets
Pluto and Eris, for would each be about the size of the head
of a pin.
Dwarf planets orbit our sun, a star. Most are located in the Kuiper Belt, a region of icy objects beyond
the orbit of Neptune.
, one of the largest and most famous dwarf planets, is about 5.9
billion km (3.7 billion miles) or 39.48 AU away from the sun. Dwarf planet
is in the
main asteroid belt between Mars and Jupiter.
Dwarf planets are solid
on their location in the solar system.
Many, but not all dwarf planets have
bodies, The amount rock vs. ice depends
Pluto was considered a planet
until 2006. The discovery of a similar-sized worlds deeper in
the distant Kuiper Belt sparked a debate that resulted in a new official definition of a planet that did
not include Pluto.
Random Info on 2nd website:
Meteoroids become meteors -- or
planet's atmosphere and cause a streak of
of a planet from meteoroids are called meteorites.
stars -- when they interact with a
in the sky. Debris that makes it to the surface
Meteorites may vary in size from
grains to large boulders. One of the largest meteorite
found on Earth is the Hoba meteorite from southwest Africa, which weighs roughly 54,000 kg (119,000
are usually named after a star or constellation which is close to the radiant
(the position from which the meteor appears to come).
Most meteorites are either
, stony or stony-iron.
Write it out!!!
Compare and contrast two of the objects you just researched. You may choose any two you wish. Use the Venn Diagram below
to show things that are different and things that are similar between your two objects.