Little debris should be able to survive in the region near Mercury for long periods of time, but the innermost planet appears to orbit the Sun along a dust ring that researchers can’t explain.
Sky
February 8, 2023
Earth, Venus and Mercury all share orbits around the Sun in a giant cloud of dust NASA’s Goddard Space Flight Center/Mary Pat Hrybyk-Keith
Mercury appears to share an orbit with a giant ring of dust millions of kilometers thick, but scientists aren’t sure how it got there. have been unable to explain the mechanisms that produce sufficient amounts of dust, and the region through which the dust passes is so close to the Sun that any dust there is expected to be pulled in almost immediately by the Sun’s gravity. .
The dust ring is…