NS2-M3C16 - Asteroids, Comets, and Meteorites

Asteroids are generally found between these planets.

• Earth and Mars

• Mars and Mercury

• Mars and Jupiter

• Saturn and Pluto

The most plentiful bodies in our solar system are:

• Asteroids

• Comets

• Stars

• Planets

Chunks of rock or metal orbiting in outer space are known as:

• Comets

• Asteroids

• Meteoroids

• Planets

Most comets appear to have originated in the

• Asteroid Belt

• Kuiper Belt

• Oort Cloud

• Coma Belt

The fiery death of a meteor is generally known as a _____________.

• Shooting star

• Fireball

• Black hole

• Elliptical star

As a comet is heated more, dust and ionized gas particles are pushed away from the head by the pressure of the Sun's radiation. They move away and form a

• siderites effect

• asteroid tail

• luminous tail

• tektite end

Minor planets revolving around the Sun, mostly between Mars and Jupiter, are called

• comets

• an asteroid belt

• tektites

• asteroids

About how many years does it take Halley's Comet to complete its orbital cycle?

• 10

• 50

• 75

• 150

Comets are believed to be composed of

• hydrogen and oxygen

• frozen gases and dust

• nitrogen and sodium

• frozen dust and carbon

The head of a comet usually containing a nucleus is known as a

• tail

• coma

• tektite

• aerolite