Chapter 11 Terms

Question 1

Achondrite

Answer 1

is a meteorite lacking chondrules

Question 2

Asteroid

Answer 2

is a small, generally rocky, solid body orbiting the sun

Question 3

Asteroid Belt

Answer 3

is a region between the orbits of Mars and Jupiter, in which most asteroid belt

Question 4

Carbonaceous Chondrite

Answer 4

is a type of meteorite containing many tiny spheres

Question 5

Chondrite

Answer 5

is a meteorite containing small spherical grains called chondrules

Question 6

Chondrule

Answer 6

is a small spherical grain embedded in a meteorite

Question 7

Coma

Answer 7

is the gaseous atmosphere surrounding the head of a comet

Question 8

Dust Tail

Answer 8

is a comet tail containing dust that reflects sunlight

Question 9

Fluorescence

Answer 9

is the conversion of ultraviolet light into visible light

Question 10

Ion Tail

Answer 10

is a stream of ionized particles evaporated from a comet then swept away from the sun by the solar wind

Question 11

Kirkwood Gaps

Answer 11

is the regions in the asteroid belt with fewer than the average number of asteroid because Jupiter is removing them

Question 12

Kuiper Belt

Answer 12

is a Region from which some comets come from

Question 13

Meteor

Answer 13

is the bright trail of light created by small solid particles entering the Earth’s atmosphere and burning up as a “shooting star”

Question 14

Meteorite

Answer 14

is the remains of a meter that falls to the Earth

Question 15

Meteoroid

Answer 15

is the technical name for the small, solid bodies moving within the Solar System

Question 16

Meteor Shower

Answer 16

is an event in which many meteors occur in a short space of time in the same direction

Question 17

Near – Earth Object

Answer 17

is an asteroid with an orbit that crosses Earth’s orbit or comes close to it

Question 18

Nucleus

Answer 18

is the core of an atom around which the electrons orbit

Question 19

Oort Cloud

Answer 19

is a vast region in which comet nuclei orbit

Question 20

Radiant

Answer 20

is the point in the sky from which meteors in shower appear to come

Question 21

is the force exerted by radiation on matter

Answer 21

Radiation Pressure

Question 22

Short-Period Comet

Answer 22

is a comet whose orbit period is shorter that 200 years

Question 23

Solar Wind

Answer 23

the outflow of low-density, hot gas from the Sun’s upper atmosphere

Question 24

Tail

Answer 24

is the plume of gas and dust from a comet

Question 25

Trans-Neptunian Object (TNO)

Answer 25

is the numerous small, ice objects orbiting in the outer part of the Solar System beyond the orbit of Neptune