News

Uranus stinks. No, really, it does

26 April 2018 Astronomy Now

Astronomers using a powerful spectrometer attached one of the world’s largest telescopes have discovered that Uranus smells like rotten eggs thanks to hydrogen sulphide in its upper atmosphere.

News

Saturn’s clouds run deep, rings may rain organics

6 April 2018 Stephen Clark

Saturn’s clouds have roots deeper inside the planet’s atmosphere than scientists previously thought, and Saturn’s rings — now believed to have formed in the last 200 million years — appear to be raining organic molecules down on the planet, according to observations made by NASA’s Cassini spacecraft last year in the final weeks of its mission.

Picture This

Saturn’s ‘Great Northern Storm’ still an awesome sight to behold

6 March 2018 William Harwood

For reasons not yet understood, Saturn seems to store energy in its atmosphere over decades before suddenly releasing it in massive lightning storms that affect the ringed planet’s atmosphere across enormous distances. The Great Northern Storm of 2010/11 circled Saturn like a snake eating its tail, persisting for months before dissipating.

News

Return to sender: Mars rock gets a ride home

13 February 2018 Astronomy Now

NASA plans to use a piece of a martian meteorite as a calibration target for a high-precision laser instrument aboard the agency’s Mars 2020 rover, marking the first round trip for a fragment of the red planet blasted into space during an ancient impact.