Archive for December, 2010

Storms on Saturn and the Sun

Big Storm on Saturn: Did you get a telescope for Christmas? If so, point it at Saturn. A giant storm even brighter than Saturn’s rings is raging through the planet’s cloudtops. Amateur images and sky maps are featured on http://spaceweather.com.

Geomagnetic Storm in Progress: At the time this post …

Read the rest of this article

The 33-year odyssey of NASA’s Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind.

Now hurtling toward interstellar space some 10.8 billion miles from the sun, Voyager 1 has crossed into an area where the …

Read the rest of this article

In August an Entire Hemisphere of the Sun Erupted

On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers knew they had witnessed something big.

It was so big, it may have shattered old ideas about …

Read the rest of this article

The Geminid Meteor Shower, December 2010


A Geminid fireball explodes over the Mojave Desert in 2009. Credit: Wally Pacholka / AstroPics.com / TWAN.

The Geminid meteor shower, which peaks this year on Dec. 13th and 14th, is the most intense meteor shower of the year. It lasts for days, is rich in fireballs, and can be …

Read the rest of this article

Geomicrobiologist Felisa Wolfe-Simon, collecting lake-bottom sediments in the shallow waters of Mono Lake in California. Wolfe-Simon cultured the arsenic-utilizing organisms from this hypersaline and highly alkaline environment. Credit: ©2010 Henry Bortman

NASA-funded astrobiology research has changed the fundamental knowledge about what comprises all known life on Earth.

Researchers conducting tests …

Read the rest of this article

Lunar Eclipse 2010: The December Eclipse

A total lunar eclipse will take place on December 21, 2010, the second eclipse of this year. This eclipse happens early in the morning (GMT) and so will only be partially visible in Europe with the Moon setting just after totality. In the USA, particularly on the West coast, the …

Read the rest of this article