23 March 2016
Could an encounter with a passing dark molecular cloud be responsible for killing off the dinosaurs?
... impact and solid particles distributed by the colliding asteroid would settle down in only a few months in the troposphere and in a few years for the stratosphere. Nimura and colleagues cite the cases of Pinatubo and the...
20 February 2017
SpaceX Falcon 9 successfully on its way to the ISS
... 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 to develop medicines...
28 August 2020
Clumps of bacteria could survive interplanetary journey, new study says
... conditions and could potentially survive for much longer if the microorganism colony is bigger. Floating high up in the troposphere 12 kilometres above Earth are colonies of a bacteria known as Deinococcus, Deinococcus are among the most radiation...
15 June 2020
Space Shuttle A Photographic Journey
... a tiny Orbiter, nose towards Earth, silhouetted against three distinct layers of the atmosphere - an orange-clouded troposphere, a white stratosphere and a blue mesosphere, which darkens to the blackness of space above. Being a photographic book...
