Trojan asteroid seen in Earth's orbit by Wise telescope. Read more about sharing. Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun. The 200-300m-wide rock sits in front of our planet at a gravitational sweet spot, and poses no danger.
Calories Burned. A half mile is a relatively short distance to run, so you shouldn't expect a big calorie burn. According to the website Cool Running, a 200-pound person will burn 79 calories running half a mile. A 175-pound person will use less energy, burning just 69 calories per half mile.
If you're trying to lose weight, running on a treadmill can effectively burn calories and prevent you from putting on more weight. The number of calories you burn while running is determined by body weight, speed and duration. According to MayoClinic.com, a 160-pound individual will burn approximately 606 calories per hour while running at 5 mph, and burn 861 calories per hour while running at 8 mph.