Question 1

If you see a full moon tonight,how long would you have to wait to see the next full moon?

Accepted Answer

A) 1 week 
B) 2 weeks 
C) 3 weeks 
D) 4 weeks 
E) 5 weeks 
A) 1 week 
B) 2 weeks 
C) 3 weeks 
D) 4 weeks 
E) 5 weeks

Question 2

The position of the autumnal equinox lies at the intersection of which two great celestial circles on the celestial sphere?

Accepted Answer

The autumnal equinox

Question 3

Which of the following is FALSE?

Accepted Answer

A) Everyone on Earth observes the same phase of the Moon on a given night. 
B) The phases of the Moon cycle with a period that is longer than its sidereal period. 
C) In some phases,the Moon can be observed during the day. 
D) The observed phase of the Moon changes over the course of one night. 
E) A full Moon can be seen on the eastern horizon at sunset. 
A) Everyone on Earth observes the same phase of the Moon on a given night. 
B) The phases of the Moon cycle with a period that is longer than its sidereal period. 
C) In some phases,the Moon can be observed during the day. 
D) The observed phase of the Moon changes over the course of one night. 
E) A full Moon can be seen on the eastern horizon at sunset.

Question 4

When the Northern Hemisphere experiences fall,the Southern Hemisphere experiences:

Accepted Answer

A) spring 
B) summer 
C) fall 
D) winter 
A) spring 
B) summer 
C) fall 
D) winter

Question 5

When in the New Moon phase,the moon will be visible in the eastern sky at sunrise.

Accepted Answer

A) True 
 B)False

Question 6

Earth has an average radius of approximately 6.4 × 103 km.What is the average speed,in units of km/s,of the ground at the Earth's equator due to the daily rotation of Earth if there are 8.64 × 104 seconds per day?

Accepted Answer

Here the students need to convert the ra

Question 7

The day with the smallest number of daylight hours over the course 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) 
E) The number of daylight hours is always the same. 
A) summer solstice (June 1) 
B) vernal equinox (March 21) 
C) winter solstice (Dec.22) 
D) autumnal equinox (Sept.23) 
E) The number of daylight hours is always the same.

Question 8

Explain why we always see the same side of the Moon from Earth.

Accepted Answer

The amount of time it takes fo

Question 9

On which day of the year does the Sun reach its northernmost point in the sky?

Accepted Answer

A) vernal equinox 
B) summer solstice 
C) autumnal equinox 
D) winter solstice 
E) The sun always reaches the same altitude. 
A) vernal equinox 
B) summer solstice 
C) autumnal equinox 
D) winter solstice 
E) The sun always reaches the same altitude.

Question 10

Constellations are arbitrary groupings of stars in the sky.

Accepted Answer

A) True 
 B)False

Question 11

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 12

If a person on Earth currently views the Moon in a waxing crescent phase,in what phase would the Earth appear to a person on the Moon?

Accepted Answer

A) waxing crescent 
B) waxing gibbous 
C) waning gibbous 
D) waning crescent 
E) new 
A) waxing crescent 
B) waxing gibbous 
C) waning gibbous 
D) waning crescent 
E) new

Question 13

The seasons on Earth are caused by the change in distance between the Sun and Earth.

Accepted Answer

A) True 
 B)False

Question 14

Earth experiences seasons due to the tilt of its axis.What are two consequences of this tilt that contribute to the seasons?

Accepted Answer

(1)Variation in the

Question 15

The fact that we always see the same side of the Moon indicates that the Moon does not rotate about an axis.

Accepted Answer

A) True 
 B)False

Question 16

The center of the Milky Way lies approximately 30° south of the celestial equator.From what latitudes on the Earth is it impossible to view the center of our galaxy?

Accepted Answer

At latitudes > 90° − 30° = 60°

Question 17

If the Earth's axis were tilted by 35°,instead of its actual tilt,how would the seasons be different than they are currently?

Accepted Answer

A) The seasons would remain the same. 
B) Summers would be colder. 
C) Winters would be shorter. 
D) Winters would be colder. 
E) Summers would be shorter. 
A) The seasons would remain the same. 
B) Summers would be colder. 
C) Winters would be shorter. 
D) Winters would be colder. 
E) Summers would be shorter.

Question 18

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 
E) a calendar month is not the same as a lunar month 
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 
E) a calendar month is not the same as a lunar month

Question 19

Based on the location of the moon in the diagram below,
  draw a picture of how the moon would appear to an observer located on Earth.

Accepted Answer

The drawing should show a waxi

Question 20

You and a friend go outside to view the stars at midnight tonight.Six months later,you go outside to find the stars in exactly the same position in the sky as when you and your friend viewed them.What time is it? Assume you can see the stars at any time,day or night.

Accepted Answer

A) 6 A.M. 
B) noon 
C) 6 P.m. 
D) midnight 
E) This can never happen. 
A) 6 A.M. 
B) noon 
C) 6 P.m. 
D) midnight 
E) This can never happen.

Exam 2: Patterns in the Skymotions of Earth

If you see a full moon tonight,how long would you have to wait to see the next full moon?

The position of the autumnal equinox lies at the intersection of which two great celestial circles on the celestial sphere?

Which of the following is FALSE?

When the Northern Hemisphere experiences fall,the Southern Hemisphere experiences:

When in the New Moon phase,the moon will be visible in the eastern sky at sunrise.

Earth has an average radius of approximately 6.4 × 103 km.What is the average speed,in units of km/s,of the ground at the Earth's equator due to the daily rotation of Earth if there are 8.64 × 104 seconds per day?

The day with the smallest number of daylight hours over the course of the year for a person living in the Southern Hemisphere is the:

Explain why we always see the same side of the Moon from Earth.

On which day of the year does the Sun reach its northernmost point in the sky?

Constellations are arbitrary groupings of stars in the sky.

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

If a person on Earth currently views the Moon in a waxing crescent phase,in what phase would the Earth appear to a person on the Moon?

The seasons on Earth are caused by the change in distance between the Sun and Earth.

Earth experiences seasons due to the tilt of its axis.What are two consequences of this tilt that contribute to the seasons?

The fact that we always see the same side of the Moon indicates that the Moon does not rotate about an axis.

The center of the Milky Way lies approximately 30° south of the celestial equator.From what latitudes on the Earth is it impossible to view the center of our galaxy?

If the Earth's axis were tilted by 35°,instead of its actual tilt,how would the seasons be different than they are currently?

Leap years occur because:

Based on the location of the moon in the diagram below, draw a picture of how the moon would appear to an observer located on Earth.

You and a friend go outside to view the stars at midnight tonight.Six months later,you go outside to find the stars in exactly the same position in the sky as when you and your friend viewed them.What time is it? Assume you can see the stars at any time,day or night.

Why Learn Astronomy

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

Dwarf Planets and Small Solar System Bodies

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

Earth has an average radius of approximately 6.4 × 10³ km.What is the average speed,in units of km/s,of the ground at the Earth's equator due to the daily rotation of Earth if there are 8.64 × 10⁴ seconds per day?