Question 1

On the day of summer solstice, explain the position of Earth and the light received by each of the hemispheres.

Accepted Answer

On the day of the summer solstice in lat

Question 2

What date is the autumnal equinox for the Southern hemisphere?

Accepted Answer

A)  December 21 
B)  September 22 
C)  June 22 
D)  March 20 
E)  December 25 
A)  December 21 
B)  September 22 
C)  June 22 
D)  March 20 
E)  December 25

Question 3

Many of the ancient astronomers applied astrology alongside astronomy, but that no longer holds true for modern astronomers. Explain why astrology is no longer considered useful to the modern scientist.

Accepted Answer

A pseudoscience is a set of beliefs that

Question 4

Match between columns
                        Premises: the angle between two lines extending from your eye to two objects in the sky
the angular distance across an object, from one edge to another
the point of the celestial sphere directly above your head
the measure of light energy striking one square meter per second
a scientific model of the sky
the point of the celestial sphere directly under your feet
named group of stars with finite boundaries in the sky
provides a measurement range for the brightness of stars
a less formally defined grouping of stars
the apparent path of the Sun against the background of stars

Accepted Answer

The Answer of angular diameter and flux and angular distance is...

Question 5

Figure 2-5
Examine the accompanying figure. Which term would be the correct scientific designation for Polaris in Ursa Minoris?

Accepted Answer

A)  North Star 
B)    α Ursa Major 
C)  -0.3 Ursa Minoris 
D)  α Ursae Minoris 
E)  β Ursae Minoris 
A)  North Star 
B)    α Ursa Major 
C)  -0.3 Ursa Minoris 
D)  α Ursae Minoris 
E)  β Ursae Minoris

Question 6

What is an asterism?

Accepted Answer

A)  A legend or folklore association to a grouping of stars 
B)  Less formally defined group of stars outside the official 88 constellations 
C)  The council of astronomers who defined the 88 constellations 
D)  The northern pivot point of the celestial sphere 
E)  Constellations close enough to a celestial pole that they do not appear to rise from the east and set in the west 
A)  A legend or folklore association to a grouping of stars 
B)  Less formally defined group of stars outside the official 88 constellations 
C)  The council of astronomers who defined the 88 constellations 
D)  The northern pivot point of the celestial sphere 
E)  Constellations close enough to a celestial pole that they do not appear to rise from the east and set in the west

Question 7

The Sky Around You - Page 18 (For the following questions)
Review the accompanying figure and identify point A.

Accepted Answer

A)  south point 
B)  nadir 
C)  zenith 
D)  north celestial pole 
E)  south celestial pole 
A)  south point 
B)  nadir 
C)  zenith 
D)  north celestial pole 
E)  south celestial pole

Question 8

The eastward rotation of Earth causes the Sun, Moon, planets, and stars to move _______________ in the sky.

Accepted Answer

The answer of The eastward rotation of Earth causes the...

Question 9

Why can someone in the United States almost always be able to observe the constellations such as Ursa Major, Cassiopeia, and Perseus?

Accepted Answer

These constellations are considered circ

Question 10

Astronomers use the _______________ alphabet to identify the bright stars in a constellation in approximate order of brightness.

Accepted Answer

The answer of Astronomers use the _______________ alphabet to identify...

Question 11

The Sky Around You - Page 18 (For the following questions)
Review the accompanying figure and identify point B.

Accepted Answer

A)  zenith 
B)  north point 
C)  celestial equator 
D)  south celestial pole 
E)  north celestial pole 
A)  zenith 
B)  north point 
C)  celestial equator 
D)  south celestial pole 
E)  north celestial pole

Question 12

If two stars have a magnitude difference of 5, what is their flux ratio?

Accepted Answer

A)  10.0 
B)  12.6 
C)  100.0 
D)  250.0 
E)  625.3 
A)  10.0 
B)  12.6 
C)  100.0 
D)  250.0 
E)  625.3

Question 13

Scientists constructed a history of ocean temperatures using deep ocean cores that convincingly matched the predictions of the _______________, describing the cause of multiple ice ages on Earth.

Accepted Answer

Milankovit

Question 14

During which event does the Sun reach its most southern point in the celestial sphere within the Northern hemisphere?

Accepted Answer

A)  nadir 
B)  summer solstice 
C)  vernal equinox 
D)  autumnal equinox 
E)  winter solstice 
A)  nadir 
B)  summer solstice 
C)  vernal equinox 
D)  autumnal equinox 
E)  winter solstice

Question 15

The ecliptic is often called the _______________ of Earth's orbit on the sky.

Accepted Answer

The answer of The ecliptic is often called the _______________...

Question 16

Why do many people think stars are not in the sky during the daytime?

Accepted Answer

Many people, without thinking about it m

Question 17

Day and night cycles are caused by the ____ of Earth.

Accepted Answer

A)  revolution 
B)  location 
C)  axis tilt 
D)  rotation 
E)  boundaries 
A)  revolution 
B)  location 
C)  axis tilt 
D)  rotation 
E)  boundaries

Question 18

The nadir marks the point of the celestial sphere directly above your head.

Accepted Answer

A) True 
 B)False

Question 19

Which ancient astronomer recorded the magnitude of stars in his star catalog and was used successfully by astronomers for generations?

Accepted Answer

A)  Ptolemy 
B)  Copernicus 
C)  Galileo 
D)  Kepler 
E)  Aristotle 
A)  Ptolemy 
B)  Copernicus 
C)  Galileo 
D)  Kepler 
E)  Aristotle

Question 20

The sky appears to rotate eastward around Earth each day, but that is a consequence of the westward rotation of Earth.

Accepted Answer

A) True 
 B)False

Exam 2: A Users Guide to the Sky

On the day of summer solstice, explain the position of Earth and the light received by each of the hemispheres.

What date is the autumnal equinox for the Southern hemisphere?

Many of the ancient astronomers applied astrology alongside astronomy, but that no longer holds true for modern astronomers. Explain why astrology is no longer considered useful to the modern scientist.

Figure 2-5 Examine the accompanying figure. Which term would be the correct scientific designation for Polaris in Ursa Minoris?

What is an asterism?

The Sky Around You - Page 18 (For the following questions) Review the accompanying figure and identify point A.

The eastward rotation of Earth causes the Sun, Moon, planets, and stars to move _______________ in the sky.

Why can someone in the United States almost always be able to observe the constellations such as Ursa Major, Cassiopeia, and Perseus?

Astronomers use the _______________ alphabet to identify the bright stars in a constellation in approximate order of brightness.

The Sky Around You - Page 18 (For the following questions) Review the accompanying figure and identify point B.

If two stars have a magnitude difference of 5, what is their flux ratio?

Scientists constructed a history of ocean temperatures using deep ocean cores that convincingly matched the predictions of the _______________, describing the cause of multiple ice ages on Earth.

During which event does the Sun reach its most southern point in the celestial sphere within the Northern hemisphere?

The ecliptic is often called the _______________ of Earth's orbit on the sky.

Why do many people think stars are not in the sky during the daytime?

Day and night cycles are caused by the ____ of Earth.

The nadir marks the point of the celestial sphere directly above your head.

Which ancient astronomer recorded the magnitude of stars in his star catalog and was used successfully by astronomers for generations?

The sky appears to rotate eastward around Earth each day, but that is a consequence of the westward rotation of Earth.

Here and Now

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

Formation and Structure of Stars

Stellar Evolution

Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Supermassive Black Holes and Active Galaxies

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology

Filters