It was a scorching summer morning in 2018 in rural Purulia in West Bengal, when geologist and palaeobiologist Dr Sanjukta Chakravorti, who was working on her PhD thesis then, had taken a break from her excavations and was approached by two .
Comet 108P/Ciffreo was spotted in 1985 hurtling through space alongside a strange blob of dust, and now astronomers have finally figured out where the blob came from