Question 1

This divides the east and west halves of the sky:
A) ecliptic
B) meridian
C) zenith
D) nadir

Accepted Answer

The meridian is an imaginary line in the sky that runs from the north point on the horizon through the zenith to the south point on the horizon, effectively dividing the east and west halves of the sky.

Question 2

Time zones are divided into 24 hours which is every _____ degrees of longitude.
A) 10
B) 12
C) 24
D) 15

Accepted Answer

The Earth is divided into 24 time zones, with each zone roughly spanning 15 degrees of longitude to account for the Earth's 360-degree rotation over a 24-hour period.

Question 3

The nuisance of having different times across the globe can be solved by using
A) international time.
B) standard time.
C) daylight saving time.
D) universal time.

Accepted Answer

Universal Time (UT) is a time standard based on the Earth's rotation and is used as a reference for timekeeping worldwide, helping to solve the issue of different local times.

Question 4

A solar day is
A) the time it takes from one sunrise on one day, to the sunrise on the following day.
B) the time it takes the Sun to go from its highest point in the sky one day, to its highest point in the sky on the following day.
C) the time it takes from one sunset on one day, to the sunset on the next day.
D) the time it takes from sunrise to sunset.

Accepted Answer

A solar day is defined as the time it takes for the Sun to return to its highest point in the sky (noon) from one day to the next, which is approximately 24 hours.

Question 5

The time of the stars called sidereal day is about __________ shorter than the solar day.

Accepted Answer

The answer of The time of the stars called sidereal...

Question 6

When you cross the ______________________ the date changes.

Accepted Answer

The answer of When you cross the ______________________ the date...

Question 7

The leap second is added to keep the clocks in agreement with the sun and stars.

Accepted Answer

Leap seconds are added to Coordinated Universal Time (UTC) to adjust clocks to the Earth's slowing rotation and keep them in sync with the Earth's irregular but gradually slowing rotation, thereby maintaining alignment with astronomical time, which is based on the positions of celestial bodies including the sun and stars.

Question 8

A. M. stands for Ante Meridian.

Accepted Answer

A. M. stands for "Ante Meridian," which is Latin for "before midday," referring to the time period from midnight to noon.

Quiz 7: The Time of Day

This divides the east and west halves of the sky:

Time zones are divided into 24 hours which is every _____ degrees of longitude.

The nuisance of having different times across the globe can be solved by using

A solar day is

The time of the stars called sidereal day is about __________ shorter than the solar day.

When you cross the ______________________ the date changes.

The leap second is added to keep the clocks in agreement with the sun and stars.

A. M. stands for Ante Meridian.