Made up of small chunks of stone that are capable of entering Earth's atmosphere but are smaller than an asteroid.
What is a meteoroid?
I decrease in size over time
What is a comet?
This is what a comet's coma made of.
Water vapor
These two planets have the most discovered moons.
What are Jupiter and Saturn?
Name one thing that is true of Earth but not of an asteroid.
What is an atmosphere?
Liquid water
After a meteoroid enters the Earth's atmosphere, it is called this.
What is a meteor?
I contain rock.
What is Both?
A comet's tail always faces this direction.
What is away from the Sun?
This moon has the most volcanic activity of any moon in the solar system.
What is Io?
This is closest to the number of asteroids in the Asteroid Belt:
5,000
1 million
1 billion
What is 1 million?
If you didn't study astronomy, you would call a meteor this.
What is a shooting star?
I can range from 1 km to 100 km in diameter.
What is an asteroid? Comets are limited to about 10 km in diameter
I am considered this type of comet if I take 150 years to complete my orbit of the Sun.
What is short period?
This moon is the only known moon that orbits its planet in the opposite direction of the planet's rotation
Triton
Asteroids would be considered moons if they did this.
What is orbited something other than the Sun.
I have a regular elliptical orbit around the sun
What is an asteroid
This many comets have been discovered in our solar system. (+/- 500)
What is 3,800?
This is the second largest moon in the solar system and is thought to have rivers of liquid methane.
What is Titan?
If asteroids were larger, they could be classified as this.
What is a planet/dwarf planet?
This moon has the only magnetic field of any moon in the solar system.
What is Ganymede?