Formation and evolution of the Solar System impact event, the Tunguska event, the Chelyabinsk meteor and the impact feature Meteor Crater in Arizona. The process of accretion, therefore, is not complete, and may still pose a threat to life on Earth. Over the course of the Solar System's evolution, comets were ejected out of the inner Solar System by the gravity of the giant planets, and sent thousands of AU outward to form the Oort cloud, a spherical outer swarm of cometary nuclei at the farthest extent of the Sun's gravitational pull. Eventually, after about 800 million years, the gravitational disruption caused by galactic tides, passing stars
Earth and Sun and Moon Earth and Sun and Moon Earth and Sun and Moon is the eighth studio album by Australian rock group, Midnight Oil, that was released in April 1993 under the Columbia Records label. It peaked at No.2 on the ARIA Albums Chart. Midnight Oil's "Earth and Sun and Moon" album, produced with Nick Launay, was released in April 1993 and peaked at No. 2 on the ARIA Albums Chart, top 20 in Sweden and Switzerland, Top 50 on "Billboard" 200, and top thirty in the UK albums chart. The single "Truganini" referenced multiple issues, including the 'last' Tasmanian Aboriginal, the treatment