Science

Whether the Large and Small Magellanic Clouds orbit the Milky Way has not yet been definitively confirmed, as research conducted by the Hubble Space Telescope in 2006 may suggest that the speed of these objects is too high for our galaxy to support them.

The first living organism sent to space from the U.S. was a chimpanzee called Ham.

The average density of Enceladus is 1.61 g/cm3.

Paleontologists used organisms trapped within amber to identify over 1,000 extinct species.

The mass of the Large Magellanic Cloud is estimated at 10 billion solar masses, which is about a hundred times less massive than the Milky Way.

The exact cause of anorexia is not yet known.

The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.

It is not yet known exactly which genes are responsible for the onset of mental anorexia nervosa.

It is the sixth-largest moon of Saturn.

President John F. Kennedy set NASA a goal—to send men to the Moon, and bring them back home safely.