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Violent space weather could limit life on nearby exoplanets

Violent space weather could limit life on nearby exoplanets Paola Rosa-Aquino © Provided by Popular Science Artist s impression of flare from our neighboring star Proxima Centauri ejecting material onto a nearby planet. Earth regularly endures highly charged belches from our Sun, sometimes even prompting a dancing curtain of ever-changing color known as aurora. But could similar violent eruptions in other solar systems make far-off worlds inhospitable to life? Earlier this year, astronomers confirmed there were two Earth-like planets orbiting the cool, faint red dwarf Proxima Centauri the closest star to our sun at 4.2 light-years away. One of them, Proxima Centauri b, is in its star’s habitable zone where temperatures might allow liquid water to exist on its surface.

UWA backpedals on move to close publishing arm, to continue under hybrid model

UWA backpedals on move to close publishing arm, to continue under hybrid model
brisbanetimes.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from brisbanetimes.com.au Daily Mail and Mail on Sunday newspapers.

Australian scientists have released the first weather report for planets orbiting Proxima Centauri

Australian researchers have contributed to the first weather report from a nearby earth-like planet, and it spells bad news for finding life there. Astronomers recently detected two rocky planets orbiting Proxima Centauri, a red-dwarf star and the closest star to our sun. One of those planets was considered to be within the potentially habitable Goldilocks zone , where any water could be in liquid form. But new research suggests the planet may be exposed to extreme weather events, including stellar flares and plasma ejections. Proxima B Planet, Orbiting Proxima Centauri, a Red Dwarf Star This habitable zone is very close to the star; much closer in than Mercury is to our sun, University of Sydney researcher Andrew Zic said.

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