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.
Neptune - 16 hours (~0.66 Earth days). Pluto - 153 hours (6 Earth days). Modified from Planetary Fact Sheet-U.S. Units. * Mercury's day â from sunrise to sunset â is 176 Earth days long. Mercury's day and night cycle is more complex because it rotates one-and-a-half times during each of its orbits around the Sun.