noun Astronomy. the region in space between the orbits of Mars and Jupiter, containing the greatest population of asteroids in our solar system: comprising about half the mass of the asteroid belt are its four largest asteroids, namely, Ceres, Pallas, Vesta, and Hygieia.
What is asteroid belt?
Definition of asteroid belt
: the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found.
What type of noun is asteroid?
A naturally occurring solid object, smaller than a planet, orbiting a star.
How do you use the word asteroid belt in a sentence?
Most meteorites are thought to come from the asteroid belt between Mars and Jupiter. 3. All but one of these orbit in the asteroid belt, safely beyond the orbit of Mars. 4.
What is the asteroid belt Name the largest asteroid?
The largest asteroid is called Ceres. It is about one-quarter the size of the moon and orbits the sun between Mars and Jupiter in a region called the asteroid belt. Unlike most asteroids, Ceres is spherical in shape.
Was the asteroid belt a planet?
Occasionally people wonder whether the belt was made up of the remains of a destroyed planet, or a world that didn’t quite get started. However, according to NASA, the total mass of the belt is less than the moon, far too small to weigh in as a planet.
What is other name of asteroid?
They are also known as planetoids or minor planets. There are millions of asteroids, ranging in size from hundreds of miles to several feet across.
What is asteroid your own words?
An asteroid is a large, irregularly shaped object in space that orbits our Sun. … The craters on the Moon were formed by asteroids and some think it was an asteroid that wiped out the dinosaurs. Around a million asteroids are located between Mars and Jupiter in an area called the “asteroid belt.”
Is astronomy a adjective?
ASTRONOMICAL (adjective) definition and synonyms | Macmillan Dictionary.
What’s the definition of Kuiper Belt?
The Kuiper Belt is a doughnut-shaped ring of icy objects around the Sun, extending just beyond the orbit of Neptune from about 30 to 55 AU.
What is the prefix for asteroid?
“one of the planetoids orbiting the sun, found mostly between Mars and Jupiter,” 1802, coined probably by German-born English astronomer William Herschel (1738-1822) from Greek asteroeides “star-like,” from aster “star” (from PIE root *ster- (2) “star”) + -eidos “form, shape” (see -oid).
What is a spelling of asteroid?
asteroid. / (ˈæstəˌrɔɪd) / noun. Also called: minor planet, planetoid any of numerous small celestial bodies that move around the sun mainly between the orbits of Mars and Jupiter.
What is the asteroid belt quizlet?
What is the Asteroid Belt? A circumstellar disc in the solar system located roughly between the planets mars and jupiter; made up of small rocks and debris called asteroids and dwarf planets.
Is Comet a planet?
They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a planet. … Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
How would you describe Jupiter?
Jupiter is called a gas giant planet. Its atmosphere is made up of mostly hydrogen gas and helium gas, like the sun. The planet is covered in thick red, brown, yellow and white clouds. … At its widest point, the storm is about 3 1/2 times the diameter of Earth.