Physics
Proxima b’s hyperactive star is more sun-like than thought
The star hosting the nearest exoplanet has a multi-year activity cycle, much like the sun – but its powerful maximum could prove deadly
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Space
Weird binary system spotted with three rings around two stars
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Space
Failed hunt for Proxima b’s star transit leaves us in the dark
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Space
Giant hidden Jupiters may explain lonely planet systems
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Space
Superfast spinning stars cause strangest weather in the universe
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Space
Puffed-up exoplanets inflate with heat from their stars alone
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Space
Here’s what colourful clouds on alien gas giants would look like
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Physics
Gang of gas giants may have tilted distant planet system
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Space
Proxima b: 7 big questions about the new planet next door
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Space
If Earth-like planet Proxima b has life, what might it be like?
Author Stephen Baxter wonders if the newly discovered Proxima b could resemble Per Ardua, the life-bearing world he imagined around the same nearby star
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Space
Proxima b: Earth-like planet spotted just 4 light years away
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Physics
Interstellar probes will be eroded on the way to Alpha Centauri
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Space
Venus could have been habitable while life evolved on Earth
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Space
Old planets always get too hot or cold for life in the end
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