MOD 9 PREQUIZ AND QUIZ

Halley's Comet is visible to Earth:

every 75-76 years

Which of the following is NOT one of the centaur characteristics which been observed to date? Exhibit comet-like tails Fundamental make-up of asteroids Ring or rings like the asteroids Water ice on their surfaces

exhibit comet-like tails

Which of the following is NOT a regular example of a characteristic of the Minor Bodies?

has its own orbit

Which of the following are asteroids NOT composed of:

ice

An object that strikes, another object:

impactor

Comets are the sources for the majority of our:

meteor showers

Material orbiting in space; smaller than asteroids:

meteroids

The dwarf planets, asteroids, centaurs, Kuiper belt objects, and other trans-Neptunian objects:

minor planets

Comets are often called:

snowy dirtballs

Potentially-Hazardous Asteroids

Pose a threat to Earth

Objects which have the characteristics of both asteroids and comets:

Satellites

Trojan Asteroids

Share an orbit with a larger planet

we have seen a comet impact a planet:

Shoemaker-Levy 9

Which of the following is NOT in the composition of comets? Carbon dioxide (CO2) Organic material Silicates Talcum powder Water ices

Talcum powder

Main Asteroid Belt

Orbiting between Mars and Jupiter

Near-Earth Asteroids

Pass close to Earth

The larger asteroids are also called:

Planetoids

None of the known potentially-hazardous asteroids are on a collision course with Earth, with one possible exception:

Aphophis

Eris was discovered by:

Brown

The first asteroid discovered, now classified as a dwarf planet:

Ceres

Who did NOT historically record observations of passages of Halley's Comet?

Chaldeans

Pluto's large moon is named:

Charon

Some of the impact marks left in Jupiter's upper atmosphere due to the Shoemaker-Levy 9 cometary impact were as big as:

Earth

Eris has a moon named:

Dysnomia

The first asteroid was discovered in 1801 by:

Giuseppe Piazzi

Comet orbits are often:

Highly elliptical

Most centaurs have been found between:

Jupiter and Neptune

Comets are the sources for the majority of our:

Meteor showers

Material that makes it to the surface of a planet, satellite, etc.

Meteorites

The streaks we see in the sky:

Meteors

The smaller, often non-spherical objects found in the Solar System:

Minor bodies

Pluto was discovered by:

Tombaugh