New "Deep Fried" Planets Found—Survivors of Star Death

May be first known case of planets influencing star evolution, experts say.

The planetary pair, discovered using NASA's Kepler space telescope, are about 0.76 and 0.87 times Earth's radius, making the alien worlds the smallest planets detected so far around an active star, other than our sun.

But the planets didn't start small—astronomers think the worlds were once gas giants, akin to Jupiter or Saturn, that were stripped down after being swallowed by their swollen, aging parent.

(Related: "How Planets Can Survive a Supernova.")

News of the "deep fried" duo comes hot on the heels of the announcement of the first Earth-size planets found by the Kepler team.

Just yesterday scientists announced the discovery of Kepler-20e and Kepler-20f, two planets that are 0.87 and 1.03 times Earth's radius, respectively.

There are some similarities between

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

Is banning fishing bad for fishermen? Not in this marine reserve
SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
'World’s worst shipwreck' was bloodier than we thought

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet