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.
How long is a day on Neptune? The equatorial regions of Neptune have a rotation speed that is slower than the planetary average. These regions take approximately 18 hours to complete a single rotation, while the polar region of the planet turns once every 12 hours.