5 After browning the roast at a 500Â°F temperature in the oven for 15 minutes, reduce the oven temperature to 325Â°F. To figure out the total cooking time, allow about 12-14 minutes per pound for rare and 15-17 minutes per pound for medium rare.
The length of a day on Neptune, also known as its period of rotation, is about 16.1 Earth hours, or 0.67 Earth days. The length of a year on Neptune, also known as its per â¦ iod of revolution, is 164.8 Earth years, or 60,190 Earth days.
Answers. Best Answer: The sidereal (sr) rotation period is 16 hours, 6 minutes and 36 seconds. That's how long it takes to rotate relative to the stars. Since the Neptune year is 60,190 earth days, you need to figure out how many Neptune sidereal days that is. (Answer: 89,669 Nep. sr days). Then figure out what time period is 1/ 89,669 of a Nepture sr day. (Answer: 0.65 seconds).