Deck 13: Observing the Sky

Question 1

This planet is usually referred to as the evening or morning star:

A) Venus
B) Jupiter
C) Mars
D) Saturn

Answer 1

Venus

Question 2

Your thumb is about ____ across at arm's length.

A) 5 degrees
B) 2 degrees
C) 10 degrees
D) ½ degree

Answer 2

2 degrees

Question 3

The motion of the moon and the usual motion of the planets with respect to the stars is ___________.

A) west to east
B) north to south
C) east to west
D) south to north

Answer 3

west to east

Question 4

The angle measured eastward from true North to a point on the horizon is

A) zenith.
B) altitude.
C) meridian.
D) azimuth.

Question 5

You can see the dark part of the moon faintly--this is called __________________.

Question 6

The average time from noon to noon is ______________ hours.

Question 7

A star's azimuth is its angle above the horizon.

Question 8

The equation of time gives the correction to the sundial time.