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Back to list of articles Earth's atmosphere provides a safety buffer that protects us from (most) incoming space rocks. In this image taken during the 2001 Leonid meteor shower, several bright fireballs are seen shining across the sky. Credit: Tony Hallas As the Earth orbits the Sun, our planet regularly passes through the dust and
These micrometeorites were recovered from the ocean floor. They have an average diameter of about one millimeter. Credit: Donald Brownlee/University of Washington When I look down into a petri dish filled with sand through a binocular microscope, the largest grains become obelisks, and the smallest form avenues between them. It’s a microscopic echo of the
The Johnstown meteorite, on loan from the Denver Museum of Nature and Science for an event commemorating the centennial of its fall. Credit: Richard Binzel On the evening of July 6, 1924, John Moore's funeral was interrupted. A meteorite, trailing a column of smoke, announced its arrival with a series of thunderous explosions. As mourners
