Jupiter's moons
Which moon of Jupiter is the most volcanically active world in the solar system?
Io
What are Saturn's moons composed of?
Water and ice
What are Asteroids sometimes called?
Minor planets
Likely, how many Comets may orbit our sun?
Billions of Comets
How do meteorites move?
They travel at high speed until they enter Earth's atmosphere.
Name the main four moons of Jupiter
Ganymede, Callisto, Io, Europa.
Name the five main moons of Saturn
Titan, Tethys, Mimas, Iapetus, and Hyperion.
In a rough estimate, how many Asteroids are known?
One million
How big do Comet's sizes range from in miles.
A few miles to tens of miles wide
What is the average size range of meteorites?
They typically range in size between the size of a pebble and a fist or three to thirty centimeters long.
What are Jupiter's moons mainly composed of?
A mixture of rocks and ice.
List the five main moons of Saturn from largest in size to smallest.
Titan, Rhea, Iapetus, Dione, and Tethys.
What are Asteroids composed of?
Asteroids are composed of rocky materials, including silicate rocks, mixed with metals like nickel and iron
What are Comets composed of?
Ice, dust, and rocky debris
How does a meteor become a meteorite?
A meteor become a meteorite once it settles on the larger body's surface.
What is the range in size for Jupiter's moons?
A few kilometers to over 5,000 kilometers in diameter
What is Saturn's most unique moon and why?
Saturn's moon Enceladus is the most unique because likely hosts a global ocean of liquid water under its icy surface.
How and where do most of the Asteroids move?
Most Asteroids orbit in the main Asteroid belt between Mars and Jupiter, they move the same direction the planets do.
What is an extinct comet?
An extinct comet is a comet that has expelled most of its volatile ice and has little left to form a tail and coma.
What are meteorites composed of?
Rocky material like silicate minerals and metals like iron and nickels.
How far are Jupiter's moons from Jupiter?
The distance between Jupiter and Jupiter's moons range from 421,800 kilometers to 24 million kilometers.
What is the mean distance between Saturn's moons and Saturn
185,520 kilometers or 115,277 miles
What is the size range of Asteroids?
Asteroids range in size from Vesta, the largest at about 329 miles or 530 kilometers in diameter to bodies that are less than 33 feet or 10 meters across.
In what way do comets orbit around the sun?
In a highly elliptical orbit
What is a meteorite?
A rock that originated in outer space and has fallen to the surface of a planet or moon.