A short history of Enceladus – Saturn’s waterspout moon
Dan WildWatching a cryovolcano erupt on Enceladus would be one of the sights of the solar system. These geysers shoot water vapour more than 4km into the air. Well, it’s not really ‘air’, as Enceladus doesn’t have much of an atmosphere. But so much water is ejected in these plumes that they have contributed to one …
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Betelgeuse: Life as a Red Supergiant
Dan WildYou’ve heard of Betelgeuse if you’re an amateur astronomer. It’s that flickering red star at the bottom right corner of the constellation of Orion, as viewed in the southern hemisphere, and top left viewed from the northern hemisphere. Those born in the 1980s would have heard of it via the surreal Tim Burton film, Beetlejuice. …