1. one-Half
2. Apogee
3. Any object that revolves around another object
4. Venus's gravitation pull
Answer:
Rotational inertia decreases proportional to the decrease in the radius of rotation.
Explanation:
No traces of a meteorite were found, it many scientists concluded that the culprit was a comet. Comets, which are essentially muddy ice balls, could cause such a devastation and leave no trace.
But now, 105 years later, scientists have revealed that the Tunguska devastation was indeed caused by a meteorite. A group of Ukrainian, German, and American scientists have identified its microscopic remains. Why it took them so many years makes for a fascinating tale about the limits of science and how we are pushing them.
