Scientists spot planet orbiting Spock’s home star

Planet at HD 26965

An artist’s conception shows a super-Earth in orbit around HD 26965, which is Mr. Spock’s home star in “Star Trek” lore. (University of Florida Illustration)

Has the planet Vulcan been found? Vulcan’s most famous fictional inhabitant, Mr. Spock of “Star Trek” fame, would certainly raise an eyebrow if he heard that astronomers have detected a potentially habitable super-Earth orbiting the star that’s associated with him.

The world orbits a sunlike star that’s a mere 16 light-years away, known as HD 26965 or 40 Eridani A, according to the team behind the Dharma Planet Survey.

In the current Star Trek canon, 40 Eridani A is the star that harbors Spock’s home planet. Some early references pointed to a different star, known as Epsilon Eridani(which is also thought to host at least one exoplanet). But in a 1991 essay, Star Trek creator Gene Roddenberry and a group of astronomers argued that 40 Eridani A, the brightest star in a triple-star system, was a better fit because its 4 billion years of existence provided a wider window for pointy-eared intelligent life to evolve.

The latest findings suggest Roddenberry made the right choice: The planet found at 40 Eridani A is roughly twice Earth’s size, completes an orbit around its parent star every 42 Earth days, and lies just inside the star’s optimal habitable zone, said University of Florida astronomer Jian Ge.

Get the full story on GeekWire.

About Alan Boyle

Award-winning science writer, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
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