April 2020
Replacing hydrazine fuel with a greener alternative
... released into the atmosphere, hydrazine emits dense yellow clouds of highly-poisonous vapour. If it touches human ... of $300 million, $500,000 is a drop in the bucket. A cloud of tetrazine billows to the right of Boeing’s CST-100 Starliner at the end...
14 September 2020
Possible signs of microbial life found in Venus' atmosphere
..., including lightening, micrometeorites and sources on the surface of the planet. and chemical processes happening within the clouds. The team also took into consideration ~75 relevant chemical reactions to account for the production of PH3, but...
February 2016
Is Jupiter Really Our Protective Shield?
... 212: 23-32 20 Levison, H.F., L. Dones, and M.J. Duncan (2001) The origin of Halley-type comets: Probing the inner Oort cloud. Astron. J. 121, 2253-2267. 21 Wetherill, G.W. (1995) How special is Jupiter? Nature, 373, 470. 22 Marsden (1997) “Orbit...
March 2017
Twinkle - a mission to unravel the story of planets in our galaxy
... give us the opportunity to probe different layers within planetary atmospheres to study the vertical structure and understand cloud coverage. Hubble is almost at the end of its life and, with the degraded performance of Spitzer, no data is currently...
July 2021
Arecibo - an astounding legacy
...the Big Bang. Observations of the Hydroxide molecules in a cloud surrounding a distant quasar show that the fine structure constant...a “gamma-ray heartbeat” coming from a cosmic gas cloud. The cloud is in the constellation Aquilla and “beats” in rhythm...
18 January 2016
Does a second black hole lurk near the centre of the Milky Way?
... may be lurking in the Milky Way have been uncovered by a team of astronomers who have detected an enigmatic gas cloud, called CO-0.40-0.22, that is observed to have gas with a very wide range of speeds. This wide velocity dispersion is suggestive...
