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.
The planet Neptune takes about 16 hours, 6 minutes, 36 seconds for one complete rotation, as evidenced by its visible outer atmosphere. This is a day on Neptune. That's ab â¦ out 2/3rds of an earth day. Note that the period of rotation is measures by watching Neptune's magnetic field.