A curious dust cloud surrounding the moon has been discovered.
via Russia Today:
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There is a permanent, but asymmetric dust cloud surrounding the Moon, created by tiny dust grains lifted up from the lunar surface, scientists have found. Its density may increase during annual meteor showers such as, for example, Geminid.
According to scientists from, the cloud is comprised of dust grains swept up by other high-speed, interplanetary particles passing by, often in the wake of comets.
Many of the dust particles are traveling at thousands of miles per hour in the opposite orbital direction of the solar system’s planets, causing high-speed, near head-on collisions with the moon’s leading surface, said Professor Mihali Horanyi.
According to Horanyi, even a single dust particle from a comet striking the moon can excite thousands of smaller particles on the surface.