Planets
the only livable planet
Earth
the innermost part of the Sun
asteroids orbit the
sun
when an asteroid enters earth's atmosphere it becomes a
meteor
comets aren't always on the same orbital _____ as planets
plane
the planet with rings
Saturn
the part of the Sun that can be seen from earth
corona
an asteroid is smaller than a planet and orbits a
star
a meteor is a ball of
glowing gases
comets are made up of frozen ____ and ______
brightest object in the sky
Venus
there is no solid _____
surface
the largest asteroid is
Ceres
a meteor is also known as a
shooting star
as a comet gets closer to the sun, it _____ ____
heats up
largest planet in our solar system
Jupiter
the reaction from mixing hydrogen to helium produces
heat and light
size of an asteroid is less than ____ mile in diameter
1
if meteor is big enough it may
hit earth
a comet may have a _____
tail
closest planet to the sun
made up of these to gases
hydrogen & helium
located between Mars and Jupiter
asteroid belt
the part of the meteor that strikes earth is called a
meteorite
the tail of a comet points