12 Jun 2009 Cape Times PARIS: A force known as orbital chaos may cause our Solar System to go haywire, leading to possible collision between Earth and Venus or Mars, according to a study released on Wednesday. The good news is that the likelihood of such a smash-up is small, around one-in-2 500. And even …
The Rosetta probe will fly by Earth on Friday (Illustration: ESA/C. Carreau) 10 November 2009 by David Shiga What’s causing spacecraft to mysteriously accelerate? The Rosetta comet chaser’s fly-by of Earth on 13 November is a perfect opportunity to get to the bottom of it. The anomaly emerged in 1990, when NASA’s Galileo spacecraft whizzed …
Will probe’s upcoming fly-by unlock exotic physics? Read More »
Inscrutable but not immutable (Image: NASA/JPL/SSI) 14 October 2009 by Rachel Courtland, Puerto Rico SATURN’S rings seem almost immutable. These planetary jewels, carved by moonlets and shaped by gravity, could well have looked much the same now as they did billions of years ago – but only from afar. Now it is emerging that an …
The Pale Blue Dot 1. At the moment, the hottest talk in Astronomy circles is the Cassini spacecraft in orbit round Saturn. As Saturn is side on to the Sun and therefore eclipsing the rings and its moons on the far side, amazing shadows are occurring hence amazing pictures are being relayed back to Earth. …
EPSC Abstracts, Vol. 4, EPSC2009-xxxx (will be included after acceptance), 2009 European Planetary Science Congress, © Author(s) 2009 D. Tirsch (1) and R. Jaumann (1,2) (1) German Aerospace Center (DLR), Berlin, Germany, (2) Institute of Geological Sciences, Free University Berlin, Germany (Daniela.Tirsch@dlr.de /Fax: +49-30-67055402) Introduction The localization of former potentially habitable zones on Mars is …
Water on Mars – Constraining Volume to Time Relations Read More »
