does Mercury have any moons?
No.
what is the gas planets made out of?
mostly hydrogen and helium.
what is comets nicknames?
"dirty snowballs."
what is an asteroid?
small rocky object that orbits the sun.
what planet is the coldest?
uranus.
how many hours does a whole day equivalent to on Mars?
25 hours.
how many moons does Saturn have?
60 moons
what are comets?
icy bodies that orbit the sun.
can asteroids have moons?
yes. some do.
which planet is the farthest from the sun?
Neptune.
Do inner planets have rings?
No.
which outer planets have rings?
all of the outer planets have rings some are fainter than others but they are there.
what happens when comets approach the sun.
ice changes from solid to gas due to the heat of the sun.
asteroids are most found in between what two planets?
Mars and Jupiter.
which planet is the hottest?
venus.
Are inner planets made out of rock or gas?
Rock.
Are outer planets big or small.
they are massive.
how fast are comets?
between 10 and 70 km/s
can asteroids be a dwarf planet?
yes one of the largest asteroids, ceres is a dwarf planet.
what two planets have similar size and mass?
venus and earth.
what planet is nicknamed the "red planet." and why.
Mars is nicknamed the "red planet." because he is bright red due to iron oxide soil.
how many hours in a day are on jupiter?
10h
what is the fuzzy cloud called that forms around a comet when coming close to the sun.
a coma.
what does the name asteroid mean?
"star-like."
which planet is the largest in our solar system?
jupiter.