Latest Issue of Science News


Sun may not be a 'Goldilocks' star

The stars that are just right to support life might be dimmer and longer-lived than the sun

Want to make a planet that can sustain carbon-based life? Don’t park it in orbit around a sunlike star.

“For the long term, the sun may not be the best star,” says Edward Guinan of Villanova University in Pennsylvania, coauthor of a paper reporting a new model about the suitability of planets for life. Smaller, cooler stars called orange dwarf stars might be the most hospitable, he says.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

This article is available only to subscribing members. Join SSP today or Log in.