A mix of rotten eggs, alcohol and a horse stable, with a note of bitter almonds – that’s the smell of comet 67P, caught by sensor devices of the Rosetta spacecraft, which is orbiting it, European scientists say.
The comet 67P/Churyumov-Gerasimenko – or Chury for short – is traveling through space some 400 million km (about 250 million miles) from the sun, but this chunk of ice has already started releasing gas molecules. They were detected by the Rosetta orbiter sensor for ion and neutral analysis (ROSINA) – first in August – but this time an unexpectedly much richer picture was revealed. Continue reading “‘Rotten eggs & horse pee’: Rosetta probe sniffs comet 67P…and it stinks!”