Question 1

The angular size of the Moon is about

Accepted Answer

A) ½ second of arc 
B) ½ minutes of arc 
C) ½ degree 
D) ½ radian 
A) ½ second of arc 
B) ½ minutes of arc 
C) ½ degree 
D) ½ radian C

Question 2

The east-west coordinate in the terrestrial coordinate system is

Accepted Answer

A) Altitude 
B) Azimuth 
C) Latitude 
D) Longitude 
A) Altitude 
B) Azimuth 
C) Latitude 
D) Longitude D

Question 3

The Moon's angular diameter is ½ degree.What is the Moon's angular size in seconds of arc?

Accepted Answer

A) ½ 
B) 30 
C) 300 
D) 1800 
A) ½ 
B) 30 
C) 300 
D) 1800 D

Question 4

What is the latitude at the equator of the Earth?

Accepted Answer

A) 0 degrees 
B) 90 degrees 
C) 180 degrees 
D) 270 degrees 
A) 0 degrees 
B) 90 degrees 
C) 180 degrees 
D) 270 degrees

Question 5

How many seconds of arc are there in a degree?

Accepted Answer

A) 3600 
B) 206265 
C) 60 
D) 360 
A) 3600 
B) 206265 
C) 60 
D) 360

Question 6

The point in the sky that is located 90 degrees from the celestial horizon is the

Accepted Answer

A) Equator 
B) Pole 
C) Zenith 
D) Node 
A) Equator 
B) Pole 
C) Zenith 
D) Node

Question 7

The angular distance measured eastward from north around the horizon is

Accepted Answer

A) Latitude 
B) Declination 
C) Azimuth 
D) Right ascension 
A) Latitude 
B) Declination 
C) Azimuth 
D) Right ascension

Question 8

A finger,held at arm's length,fills an angle of about

Accepted Answer

A) 50 degrees 
B) 10 degrees 
C) 2 degrees 
D) One-tenth of a degree 
A) 50 degrees 
B) 10 degrees 
C) 2 degrees 
D) One-tenth of a degree

Question 9

A line on the celestial sphere that divides it into two equal halves is a

Accepted Answer

A) Coordinate 
B) Great circle 
C) Second of arc 
D) Circumpolar circle 
A) Coordinate 
B) Great circle 
C) Second of arc 
D) Circumpolar circle

Question 10

The north circumpolar region of the sky is centered approximately on

Accepted Answer

A) The zenith 
B) The horizon 
C) Polaris 
D) The Sun 
A) The zenith 
B) The horizon 
C) Polaris 
D) The Sun

Question 11

The azimuth and altitude of an object located due north and on the horizon are

Accepted Answer

A) Azimuth 0 degrees,altitude 0 degrees 
B) Azimuth 90 degrees,altitude 90 degrees 
C) Azimuth 90 degrees,altitude 0 degrees 
D) Azimuth 0 degrees,altitude 180 degrees 
A) Azimuth 0 degrees,altitude 0 degrees 
B) Azimuth 90 degrees,altitude 90 degrees 
C) Azimuth 90 degrees,altitude 0 degrees 
D) Azimuth 0 degrees,altitude 180 degrees

Question 12

What is the latitude of the North Pole of the Earth?

Accepted Answer

A) 0 degrees 
B) 90 degrees 
C) 180 degrees 
D) 270 degrees 
A) 0 degrees 
B) 90 degrees 
C) 180 degrees 
D) 270 degrees

Question 13

The coordinate used in the terrestrial coordinate system to indicate angular distance north or south of the equator is

Accepted Answer

A) Altitude 
B) Latitude 
C) Longitude 
D) Azimuth 
A) Altitude 
B) Latitude 
C) Longitude 
D) Azimuth

Question 14

What are the altitude and azimuth (in degrees)of a star that is setting in the southwest?

Accepted Answer

A) Altitude 90,azimuth 90 
B) Altitude 30,azimuth 180 
C) Altitude 0,azimuth 240 
D) Altitude 45,azimuth 360 
A) Altitude 90,azimuth 90 
B) Altitude 30,azimuth 180 
C) Altitude 0,azimuth 240 
D) Altitude 45,azimuth 360

Question 15

Which of the following would be the coordinates of a star that is rising in the northeast?

Accepted Answer

A) Azimuth 180 degrees,altitude 90 degrees 
B) Azimuth 145 degrees,altitude 0 degrees 
C) Azimuth 60 degrees,altitude 0 degrees 
D) Azimuth 75 degrees,altitude 90 degrees 
A) Azimuth 180 degrees,altitude 90 degrees 
B) Azimuth 145 degrees,altitude 0 degrees 
C) Azimuth 60 degrees,altitude 0 degrees 
D) Azimuth 75 degrees,altitude 90 degrees

Exam 1: Journeys Start

The angular size of the Moon is about

The east-west coordinate in the terrestrial coordinate system is

The Moon's angular diameter is ½ degree.What is the Moon's angular size in seconds of arc?

What is the latitude at the equator of the Earth?

How many seconds of arc are there in a degree?

The point in the sky that is located 90 degrees from the celestial horizon is the

The angular distance measured eastward from north around the horizon is

A finger,held at arm's length,fills an angle of about

A line on the celestial sphere that divides it into two equal halves is a

The north circumpolar region of the sky is centered approximately on

The azimuth and altitude of an object located due north and on the horizon are

What is the latitude of the North Pole of the Earth?

The coordinate used in the terrestrial coordinate system to indicate angular distance north or south of the equator is

What are the altitude and azimuth (in degrees)of a star that is setting in the southwest?

Which of the following would be the coordinates of a star that is rising in the northeast?

Patterns in the Sky

Ancient Astronomy

Renaissance Astronomy

Gravity and Motion

Light and Telescopes

Overview of the Solar System

The Earth

The Moon

Mercury and Venus

Mars

Jupiter and Saturn

The Outer Solar System

Satellites

Small Solar System Bodies

Basic Properties of Stars

The Sun

The Formation of Stars and Planets

The Evolution of Stars

White Dwarfs, neutron Stars, and Black Holes

Binary Star Systems

The Milky Way

Galaxies

Quasars and Other Active Galaxies

Galaxy Clusters and the Structure of the Universe

Cosmology

Life in the Universe

Filters