Bulging stars mess with planet’s seasons

Spring, autumn could be hotter than summer for worlds with tilted orbits

Altair

STAR SPIN  Rapidly twirling stars such as Altair (shown; interferometer image, left) have an equatorial bulge that makes them emit more light from their poles than their equator, which could create strange seasons on any orbiting planets.

From left: Zina Deretsky/National Science Foundation; Steve Golden/Caltech/JPL/NASA 

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Astronomy

From the Nature Index

Paid Content