Question 1

Saturn has a semimajor axis of 9.6 AU.How long does it take Saturn to orbit once around the Sun?

Accepted Answer

Using Kepler's third law P² = A³,and compa

Question 2

The shortest day of the year for a person living in the SOUTHERN Hemisphere is the:

Accepted Answer

A)  summer solstice (June 1) 
B)  vernal equinox (March 21) 
C)  winter solstice (Dec.22) 
D)  autumnal equinox (Sept.23) 
A)  summer solstice (June 1) 
B)  vernal equinox (March 21) 
C)  winter solstice (Dec.22) 
D)  autumnal equinox (Sept.23)

Question 3

When the Earth catches up to a slower moving outer planet and passes it in its orbit like a faster runner overtakes a slower runner in an outside lane,the planet:

Accepted Answer

A)  exhibits retrograde motion 
B)  slows down because it feels the Earth's gravitational pull 
C)  decreases in brightness as it passes through the Earth's shadow 
D)  moves into a more elliptical orbit 
A)  exhibits retrograde motion 
B)  slows down because it feels the Earth's gravitational pull 
C)  decreases in brightness as it passes through the Earth's shadow 
D)  moves into a more elliptical orbit

Question 4

Leap years occur because:

Accepted Answer

A)  the Earth's orbital period around the Sun is decreasing 
B)  the Earth's orbital period is 365.24 days 
C)  the Gregorian calendar contains only 11 months 
D)  the Earth speeds up in its orbit when it comes closest to the Sun 
A)  the Earth's orbital period around the Sun is decreasing 
B)  the Earth's orbital period is 365.24 days 
C)  the Gregorian calendar contains only 11 months 
D)  the Earth speeds up in its orbit when it comes closest to the Sun

Question 5

During which lunar phase do solar eclipses occur?

Accepted Answer

A)  New 
B)  First quarter 
C)  Full 
D)  Third quarter 
A)  New 
B)  First quarter 
C)  Full 
D)  Third quarter

Question 6

If the Moon was full three days ago,what phase will it be tonight and when will it rise and set?

Accepted Answer

The Moon's phase cycles on a 29.5 day pe

Question 7

At what latitude is the north celestial pole at your horizon?

Accepted Answer

A)  0° 
B)  +30° 
C)  +60° 
D)  +90° 
E)  This can never happen. 
A)  0° 
B)  +30° 
C)  +60° 
D)  +90° 
E)  This can never happen.

Question 8

How far away on average is the Earth from the Sun?

Accepted Answer

A)  8.3 million kilometers 
B)  45 million kilometers 
C)  93 million kilometers 
D)  150 million kilometers 
A)  8.3 million kilometers 
B)  45 million kilometers 
C)  93 million kilometers 
D)  150 million kilometers

Question 9

When a solar eclipse occurs,the Sun lies between the Earth and Moon.

Accepted Answer

A) True 
 B)False

Question 10

If tonight the Moon is in the waxing gibbous phase,in three days the Moon will most likely be in the:

Accepted Answer

A)  new phase 
B)  full phase 
C)  third quarter phase 
D)  first quarter phase 
A)  new phase 
B)  full phase 
C)  third quarter phase 
D)  first quarter phase

Question 11

If the Earth's axis were tilted by 5° relative to the direction perpendicular to its orbital plane around the Sun,which would be TRUE?

Accepted Answer

A)  The seasons would remain the same. 
B)  Summers would be warmer. 
C)  Winters would last longer. 
D)  Winters would be warmer. 
A)  The seasons would remain the same. 
B)  Summers would be warmer. 
C)  Winters would last longer. 
D)  Winters would be warmer.

Question 12

Suppose an asteroid had an orbit with a semimajor axis of 4 AU.How long would it take for it to orbit once around the Sun?

Accepted Answer

A)  2 years 
B)  4 years 
C)  8 years 
D)  16 years 
A)  2 years 
B)  4 years 
C)  8 years 
D)  16 years

Saturn has a semimajor axis of 9.6 AU.How long does it take Saturn to orbit once around the Sun?

The shortest day of the year for a person living in the SOUTHERN Hemisphere is the:

When the Earth catches up to a slower moving outer planet and passes it in its orbit like a faster runner overtakes a slower runner in an outside lane,the planet:

Leap years occur because:

During which lunar phase do solar eclipses occur?

If the Moon was full three days ago,what phase will it be tonight and when will it rise and set?

At what latitude is the north celestial pole at your horizon?

How far away on average is the Earth from the Sun?

When a solar eclipse occurs,the Sun lies between the Earth and Moon.

If tonight the Moon is in the waxing gibbous phase,in three days the Moon will most likely be in the:

If the Earth's axis were tilted by 5° relative to the direction perpendicular to its orbital plane around the Sun,which would be TRUE?

Suppose an asteroid had an orbit with a semimajor axis of 4 AU.How long would it take for it to orbit once around the Sun?

Our Place in the Universe

Laws of Motion

Light and Telescopes

The Formation of Stars and Planets

Terrestrial Worlds in the Inner Solar System

Atmospheres of Venus, Earth, and Mars

The Giant Planets

Small Bodies of the Solar System

Measuring the Stars

Our Star: The Sun

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

The Expansion of Space

The Realm of the Galaxies

Our Galaxy: The Milky Way

Modern Cosmology and the Origin of Structure

Life in the Universe

Filters

Exam 2: Patterns in the Skymotions of Earth

Saturn has a semimajor axis of 9.6 AU.How long does it take Saturn to orbit once around the Sun?

The shortest day of the year for a person living in the SOUTHERN Hemisphere is the:

When the Earth catches up to a slower moving outer planet and passes it in its orbit like a faster runner overtakes a slower runner in an outside lane,the planet:

Leap years occur because:

During which lunar phase do solar eclipses occur?

If the Moon was full three days ago,what phase will it be tonight and when will it rise and set?

At what latitude is the north celestial pole at your horizon?

How far away on average is the Earth from the Sun?

When a solar eclipse occurs,the Sun lies between the Earth and Moon.

If tonight the Moon is in the waxing gibbous phase,in three days the Moon will most likely be in the:

If the Earth's axis were tilted by 5° relative to the direction perpendicular to its orbital plane around the Sun,which would be TRUE?

Suppose an asteroid had an orbit with a semimajor axis of 4 AU.How long would it take for it to orbit once around the Sun?

Our Place in the Universe

Laws of Motion

Light and Telescopes

The Formation of Stars and Planets

Terrestrial Worlds in the Inner Solar System

Atmospheres of Venus, Earth, and Mars

The Giant Planets

Small Bodies of the Solar System

Measuring the Stars

Our Star: The Sun

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

The Expansion of Space

The Realm of the Galaxies

Our Galaxy: The Milky Way

Modern Cosmology and the Origin of Structure

Life in the Universe

Filters