Meteoroids
Aaron gilmore
What are the types/classes
Lunar, iron, stony, stony-iron, Martian
what is the length of the year (revolution)
It's a length of one year on any planet.
where does it originate from
it's fragments of asteroids that broke off a long time ago.
What size is it normaly
meteors are about the size of a grain of sand.
Do have any rings
No but a whole bunch of them can make a ring for a planet.
Do it have any moons
No they have no atmosphere to have a moon
What are three distinguishing characteristic of it
Most meteoroids have a smooth surface with no holes. Some might have some thumb like prints on them their called regmaglypts. Their size is 10 meters in diameter.
Name at least 2 mission that has explored it and the date the mission launched.
They didn't have launch mission for meteoroids because they have samples from ones that hit the earth.