Mysterious changes seen on distant dwarf planet

But astronomers cannot explain the cause of the apparent change. Eris is the largest known object beyond the orbit of Neptune, weighing nearly a third more than Pluto.

NASA Cassini Significant Events for

STATUS REPORT Date Released: Saturday, November 1, 2008 Source: Jet Propulsion Laboratory - Comments The most recent spacecraft telemetry was acquired on Oct.

Little Mimas

The Saturn moon Mimas looks really tiny along side the mother planet. The Cassini press release : The serene beauty of Saturn invites the Cassini spacecraft's gaze as the spacecraft hurtles through this dynamic ...

A Cool Video of Saturn's Moons

An animation of 20 recent Cassini images shows Mimas occulting Prometheus as the shadowed face of the rings moves across the background Mimas, Prometheus, and rings in motion Planetary Society Weblog Download ...

NASA Cassini Significant Events

STATUS REPORT Date Released: Sunday, October 12, 2008 Source: Jet Propulsion Laboratory - Comments The most recent spacecraft telemetry was acquired on Oct.

Did you know?

A world famous observatory sits about 30 miles southwest of Topeka. Researchers there have discovered nearly 600 asteroids, including three Jupiter Trojan asteroids, and one of the faintest comets discovered by ...

Mimas and Saturn

Here is a Cassini view of the Saturn moon Mimas under the rings of Saturn. The picture is really three images put together, one each taken through a red, green, and blue filter, then all place atop one another ...

Cosmic Log: Download the cosmos

Quantum fluctuations in space, science, exploration and other cosmic fields... served up regularly by MSNBC.com science editor Alan Boyle since 2002.

Calculations Show Saturn's Rings May Be More Massive, Older

PRESS RELEASE Date Released: Tuesday, September 23, 2008 Source: Jet Propulsion Laboratory - Comments Saturn's rings may be more massive than previously thought, and potentially much older, according to ...

Saturn's Rings May Be More Massive, Older

These results support the possibility that Saturn's rings formed billions of years ago, perhaps at the time when giant impacts excavated the great basins on the Moon.