A Mercury-bound spacecraft launched from Earth must travel over 91 million kilometres (57 million miles) into the Sun's gravitational potential well. Mercury has an orbital speed of 48 km/s (30 mi/s), whereas Earth's orbital speed is 30 km/s (19 mi/s).
The interior of a raw hamburger usually does contain bacteria, and is safest if cooked well done.. Because E. coli is killed at 155 degrees Fahrenheit, the USDA sets the minimum safe temperature for ground beef at 160 degrees Fahrenheit.
Cook the burgers. Place the patties into the pan. Fit as many as you can in the pan without the sides touching. Cook the burgers on the first side for 3 minutes, or until a brown crust forms.Flip them over and cook them on the other side for another 3 minutes.Remove the burgers to a plate when they're finished cooking.ook the burgers. Place the patties into the pan. Fit as many as you can in the pan without the sides touching. Cook the burgers on the first side for 3 minutes, or until a brown crust forms.