Ligeia Mare, shown here in a false color image from NASA's Cassini mission, is the second largest known body of liquid on Saturn's moon Titan. It is filled with liquid hydrocarbons, such as ethane and methane.
Tranquil The surface area of Saturn's moon Mimas is composed of water ice with only a small amount of rock. Yet Saturn's resonances with Mimas, and Mimas' resonances with other orbiting satellites are instrumental in the formation of Saturn's rings.
Crescent Moon & Earth from space. "Quite possibly, the purpose of the universe is to provide a congenial home for self-conscious creatures who can ask profound questions and who can probe the nature of the universe itself.
"Earthrise" is the name given to NASA image the "first jaw-dropping picture of Earth from outer space." It was taken on this day in 1968 by astronaut William Anders during the Apollo 8 mission, the first manned voyage to orbit the Moon.
Unlike comets, asteroids are not characterised by exhibiting a trail, but there are now ten exceptions. Spanish researchers have observed one of these rare asteroids from the Gran Telescopio Canarias (Spain) and have discovered that something.