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An aircraft at FL350 is required to cross a VOR/DME facility at FL110 and to commence descent when 100 NM from the facility. If the mean GS for the descent is 335 KT, the minimum rate of descent required is:	4 Answers
At what approximate date is the Earth furthest from the Sun (aphelion)?	4 Answers
Seasons are due to the:	4 Answers
The main reason that day and night, throughout the year, have different duration, is due to the:	4 Answers
Kepler's second law states:	2 Answers
The first law of Kepler states:	4 Answers
The reason that the solar day lasts longer than the sidereal day is that:	4 Answers
What is meant by "Aphelion"?	4 Answers
How many degrees has the mean sun moved along the celestial equator in 8 hours and 8 minutes?	4 Answers
The local hour angle of the mean sun at 1200 LMT is:	4 Answers

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