NASA's MESSENGER team (previously: 1, 2, 3), with help from the U.S. Geological Survey, released yesterday the first global map of the planet Mercury. [more inside]
posted by SpringAquifer on Dec 16, 2009 - 15 comments

Where did Venus’s water go? Water may have once been as abundant on Venus as it is on Earth. New data from the Venus Express suggests that the planet's lack of a magnetic field has allowed water in the atmosphere to be stripped apart and carried into space by the solar wind.
posted by homunculus on Dec 29, 2008 - 30 comments

NASA proposes using a Stirling cooler (essentially a Stirling engine in reverse) to keep a probe cool on the surface of Venus, which has had a tendency to melt or smash previous probes. The cooler would maintain a 25cm sphere within the probe at 200°C -- 100°C above the boiling point of water but sufficiently cool for a high-temperature microcontroller to operate. The waste heat radiators on the exterior of the sphere would reach the temperature of 500°C, 40°C above the the normal Venusian surface temperature.
posted by Artw on Nov 12, 2007 - 40 comments

Mr. Smith Goes to Venus — part 1^CC and part 2^CC. Legendary space artist Chesley Bonestell shows us what family vacations^CC should have been like in Coronet Magazine, March 1950. [Click thumbnails for LARGE images.]
posted by cenoxo on Dec 13, 2006 - 20 comments

Road trip to venus!

The Venus Express was launched on Nov. 9th, 2005 from Baikonur, the historic spaceport in Kazakhstan. It is the first Venus probe sent by the ESA , and you can follow it's progress on the six month journey to the planet.

Exploration of Venus begin in 1962 with Mariner 2, the first space probe to fly by another planet and other flights, including the Russian Venera 7, which was the first probe to land on another planet. The Soviets took quite an interest in Venus and dominated the exploration of the planet through the '70s and '80s. A lot of the images recorded by those early craft have been reprocessed with modern technology.

In the early '90s the Magellan spacecraft spent several years mapping the surface of Venus, providing us many, many, many images and 3D maps of the planet.

As for Venus Express, it's goal is to spend two years making detailed studys of the planet's clouds and atmosphere.
posted by Brandon Blatcher on Nov 13, 2005 - 19 comments

Cartography is a skill pretty much taken for granted now, but it wasn't always so. Accurate maps were once prized state secrets, laborious efforts that cost a fortune and took years (or even decades) to complete.

How things have changed. (Yours now, $110) It took almost 500 years to map North America, but it's only taken one tenth of that to map just everything else. In the last 50 years, we've been able to create acurate atlases of two planets and one moon (with a second in the works). Actually, we've done a lot more than that. We're actually running out of things to map.

Maybe Not.
posted by absalom on Jan 27, 2005 - 17 comments

Reprocessed images from the Soviet exploration of Venus.
posted by homunculus on Feb 16, 2004 - 9 comments