Question 1

Iron meteorites are fragments of which type of asteroid?

Accepted Answer

A) A-type 
B) C-type 
C) M-type 
D) Q-type 
E) S-type 
A) A-type 
B) C-type 
C) M-type 
D) Q-type 
E) S-type

Question 2

Which of following is FALSE?

Accepted Answer

A) Pluto has five moons. 
B) Pluto has a mass that is 10 times less than the Earth's mass. 
C) Pluto's orbit sometimes brings it closer to the Sun than Neptune. 
D) Pluto was discovered by Clyde Tombaugh in 1930. 
E) Pluto has a thin atmosphere. 
A) Pluto has five moons. 
B) Pluto has a mass that is 10 times less than the Earth's mass. 
C) Pluto's orbit sometimes brings it closer to the Sun than Neptune. 
D) Pluto was discovered by Clyde Tombaugh in 1930. 
E) Pluto has a thin atmosphere.

Question 3

How is it possible for the tail of a comet to actually move ahead of the comet itself?

Accepted Answer

The tail is blown outward by the solar w

Question 4

Why does a comet usually have two tails,one that is straight and one that is curved? What materials compose each tail,and why do they have different shapes?

Accepted Answer

The straight tail is made of ionized gas

Question 5

Why do long-period comets usually put on a much more visually spectacular display than short-period comets?

Accepted Answer

Long-period comets have not passed perih

Question 6

The Perseid meteor shower will occur:

Accepted Answer

A) every month 
B) every year 
C) every 4 years 
D) every 76 years 
E) every 132 years 
A) every month 
B) every year 
C) every 4 years 
D) every 76 years 
E) every 132 years

Question 7

Comet nuclei,absent their tails,are very dark because:

Accepted Answer

A) they are made of water ice 
B) they have iron and nickel mixed with ice 
C) they have organic molecules mixed with ice 
D) they are covered in rock 
E) they are too cold to emit any light 
A) they are made of water ice 
B) they have iron and nickel mixed with ice 
C) they have organic molecules mixed with ice 
D) they are covered in rock 
E) they are too cold to emit any light

Iron meteorites are fragments of which type of asteroid?

Which of following is FALSE?

How is it possible for the tail of a comet to actually move ahead of the comet itself?

Why does a comet usually have two tails,one that is straight and one that is curved? What materials compose each tail,and why do they have different shapes?

Why do long-period comets usually put on a much more visually spectacular display than short-period comets?

The Perseid meteor shower will occur:

Comet nuclei,absent their tails,are very dark because:

Why Learn Astronomy

Patterns in the Skymotions of Earth

Motion of Astronomical Bodies

Gravity and Orbits

Light

The Tools of the Astronomer

The Birth and Evolution of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquid the Giant Planets

Planetary Adornments Moons and Rings

Taking the Measure of Stars

Our Starthe Sun

Star Formation and the Interstellar Medium

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Relativity and Black Holes

The Expanding Universe

Galaxies

The Milky Waya Normal Spiral Galaxy

Modern Cosmology

Large-Scale Structure in the Universe

Life

Filters

Exam 12: Dwarf Planets and Small Solar System Bodies

Iron meteorites are fragments of which type of asteroid?

Which of following is FALSE?

How is it possible for the tail of a comet to actually move ahead of the comet itself?

Why does a comet usually have two tails,one that is straight and one that is curved? What materials compose each tail,and why do they have different shapes?

Why do long-period comets usually put on a much more visually spectacular display than short-period comets?

The Perseid meteor shower will occur:

Comet nuclei,absent their tails,are very dark because:

Why Learn Astronomy

Patterns in the Skymotions of Earth

Motion of Astronomical Bodies

Gravity and Orbits

Light

The Tools of the Astronomer

The Birth and Evolution of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquid the Giant Planets

Planetary Adornments Moons and Rings

Taking the Measure of Stars

Our Starthe Sun

Star Formation and the Interstellar Medium

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Relativity and Black Holes

The Expanding Universe

Galaxies

The Milky Waya Normal Spiral Galaxy

Modern Cosmology

Large-Scale Structure in the Universe

Life

Filters