Domanda 294, General Navigation - ATPL - Airline Transport Pilot license

The duration of the apparent solar day is constant throughout a year due to the constant velocity of the earth in its orbit around the sun.
The duration of the apparent solar day is constant throughout a year due to the constant rotational speed of the earth around its axis.
The apparent solar day is the period between two successive transits of the mean sun through the same meridian.
The apparent solar day is the period between two successive transits of the true sun through the same meridian.