“Exoplanet Hotspot?” –Planets Detected Orbiting Closest Star to the Sun

 

Only six light-years from Earth, Barnard’s star is among the nearby red dwarfs that represents an ideal target to search for exoplanets that could someday actually be reached by future interstellar spacecraft, says Steven Vogt, professor emeritus of astronomy and astrophysics at University of California, Santa Cruz. But the search for evidence of planets around this famous red dwarf star over the past 50 years has been unsuccessful.

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Alien Ocean Planets –“Could Stay in the ‘Sweet Spot’ for Life Much Longer than Previously Thought”

 

“How much time a planet has is basically dependent on carbon dioxide and how it’s partitioned between the ocean, atmosphere and rocks in its early years,” said Edwin Kite, at the University of Chicago . “It does seem there is a way to keep a planet habitable long-term without the geochemical cycling we see on Earth.”

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