Comets and Meteors; Astronomy; Space Probes

An international team of researchers, co-lead by ETH Zurich and Imperial College London, have derived the first estimate of global meteorite impacts on Mars using seismic data. Their findings indicate between 280 to 360 meteorites strike the planet each year forming impact craters greater than 8 metres (about 26 feet) across. Geraldine Zenhaeusern who co-led … Read more

Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists at Scripps Institution of Oceanography at UC San Diego and colleagues have analyzed on Earth. Meteorites that formed roughly 1.3 billion years ago and then ejected from Mars have been collected by scientists … Read more