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
The Eclipse, or the Courtship of the Sun and Moon The Eclipse, or the Courtship of the Sun and Moon The Eclipse: Courtship of the Sun and Moon (originally L'éclipse du soleil en pleine lune) is a French silent film made in 1907 by director Georges Méliès. A professor of astronomy gives a lecture instructing on an impending solar eclipse. The class rushes to an observation tower to witness the event, which features an anthropomorphic Sun and Moon coming together. The Moon and the Sun lick their lips in anticipation as the eclipse arrives, culminating in a romantic encounter between the two celestial bodies. Various heavenly bodies, including planets and