Thus, the Tycho impactor, probably 8 to 10 km wide, came in low over the Moon's western horizon. On Earth, 109 million years ago, dinosaurs and other reptiles must have witnessed this devastating collision and perhaps suffered a few days later when fist-sized pieces of Tycho ejecta hit the Earth.
Tinnitus can be experienced in both ears as well as in a single ear or inside the head. Because of the continuous ringing in the ears, tinnitus is also known to cause several psychological side effects.
Tinnitus can result from problems in the outer ear, like excessive ear wax; in the middle ear, like an infection or otosclerosis; or the inner ear, like noise damage or age-related hearing loss.