The solar system and time | 2

Question 1

Which kepler law:

The orbit of each planet is an ellipse, with the Sun as one of the foci.

Answer 1

Keplers first law

Question 2

Which kepler law:

The line joining the planet to the Sun, knows as the radius vector, sweeps out equal area in equal time.

Answer 2

Keplers second law

Question 3

Which type of day definition:

This type of day definition, is the time interval between two successive transits of the first point of Aries, at the same meridian. Remember that the time taken is constant at 23 hours 56 minutes and 4 seconds.

Answer 3

A sidereal day

Question 4

The type of day definition that is constant is -

Answer 4

A sidereal day

Question 5

The type of day definition that is not constant -

Answer 5

An apparent day

Question 6

Between an apparent day and a sidereal day, which is longer?

Answer 6

An apparent day

Question 7

Civil twilight occurs when the sun is below the horizon by what amount?

Answer 7

6°

Question 8

Nautical twilight occurs when the sun is below the horizon by what amount?

Answer 8

12°

Question 9

An apparent Solar Day is always longer than -

Answer 9

a sidereal day

Question 10

Noons occurs at the same LMT on all -

Sunset and sunrise occur at the same LMT on the same -

Answer 10

meridians

Parallel

Question 11

The sunrise and sunset chart gives the sunrise/sunset in -

Answer 11

LMT

Question 12

How to convert LMT to standard time?

Answer 12

First find the arc time.

Secondly, convert to UTC.

Add/subtract the STF

Question 13

The length of daylight/night at a given latitude varies with the declination of the Sun. The rate of change of the length of daylight will therefore be greatest when the rate of change of declination is greatest. This will occur during the -

Answer 13

equinoxes(Mar 21 Sep 21)

Question 14

The orbit around the sun is an -

Answer 14

ellipse