23 March 2016
Could an encounter with a passing dark molecular cloud be responsible for killing off the dinosaurs?
...of cosmic dust particles is enhanced, however these remain in the stratosphere for several months or even years and work as sunscreens to...in the troposphere and in a few years for the stratosphere. Nimura and colleagues cite the cases of Pinatubo and ...
20 February 2017
SpaceX Falcon 9 successfully on its way to the ISS
... observations for several years to come, on the levels of aerosols, ozone, nitrogen dioxide and water vapour in the stratosphere and troposphere high above Earth. The Dragon craft is also carrying research materials that includes an experiment...
December 2014
MAVEN and the evolution of Mars
... communications with spacecraft verified the thinness of the gaseous atmosphere, similar in pressure on the surface to that at Earth’s stratospheric altitudes. It was also found that Mars has no radiation belts. Rather, its interaction with its space...
December 2014
Terraforming Mars: from CFCs to Total Recall
... chlorofluorocarbons (CFCs) from Earth. CFCs are compounds such as freons that have been implicated in the destruction of stratospheric ozone on Earth, but which are also good greenhouse gases. This mechanism, though, would require innumerable...
March 2015
JAXA’s challenge to climate change
... greenhouse gases (GHG) from space. The original concept was to use satellites to measure atmospheric composition in the stratosphere and upper troposphere by tracking the sun through the atmosphere when the satellite saw the sun...
September 2016
Life in the extremes: confessions of an astrobiologist
..., SkCube. SOSA is now exploring new fields of astrobiology research: searching for terrestrial or alien life in the stratosphere, possibly even in space using CubeSats. Ultimately, I hope to be able to answer some of the intriguing questions that...
