Is 2013 the Year We Finally Find a True “Alien Earth”?

Videos Highlighting The Latest Search Trends.
Dec. 28 2012 3:12 PM

Is 2013 the Year We Finally Find a True “Alien Earth”?

After a year that brought the discovery of several planets similar to our own, some astronomers are claiming that 2013 is the year we will discover a true alien Earth.

More than 800 exoplanets have been found since 1995, and some of them are Earth-like in mass and size. But these distant cousins all orbit their host stars too closely to be inhabitable.

Advertisement

By measuring the telltale dip in the brightness of a star as a planet passes in front it, the Kepler Space Telescope can identify a new planet after three transits. So far, it’s focused the search on the ones quickest to confirm—those closest to the star with smaller, more frequent orbits.

But as time passes, Kepler is spotting more distantly orbiting bodies, and now scientists say that in the coming year they are confident they will discover a rocky, wet planet in the "Goldilocks zone” around the star, where temperatures are just right for life.

TODAY IN SLATE

History

The Self-Made Man

The story of America’s most pliable, pernicious, irrepressible myth.

The GOP Senate Candidate in Iowa Doesn’t Want Voters to Know Just How Conservative She Really Is

Does Your Child Have “Sluggish Cognitive Tempo”? Or Is That Just a Disorder Made Up to Scare You?

The Supreme Court, Throughout Its History, Has Been a Massive Disappointment

Why Indians in America Are Mad for India’s New Prime Minister

Damned Spot

Now Stare. Don’t Stop.

The perfect political wife’s loving gaze in campaign ads.

Building a Better Workplace

You Deserve a Pre-cation

The smartest job perk you’ve never heard of.

Rehtaeh Parsons Was the Most Famous Victim in Canada. Now, Journalists Can’t Even Say Her Name.

Parents, Get Your Teenage Daughters the IUD

The XX Factor
Sept. 30 2014 12:34 PM Parents, Get Your Teenage Daughters the IUD
Moneybox
Sept. 30 2014 12:04 PM John Hodgman on Why He Wore a Blue Dress to Impersonate Ayn Rand
  News & Politics
Jurisprudence
Sept. 30 2014 2:36 PM This Court Erred The Supreme Court has almost always sided with the wealthy, the privileged, and the powerful.
  Business
Building a Better Workplace
Sept. 30 2014 1:16 PM You Deserve a Pre-cation The smartest job perk you’ve never heard of.
  Life
Education
Sept. 30 2014 1:48 PM Thrashed Florida State’s new president is underqualified and mistrusted. But here’s how he can turn it around.
  Double X
The XX Factor
Sept. 30 2014 12:34 PM Parents, Get Your Teenage Daughters the IUD
  Slate Plus
Behind the Scenes
Sept. 30 2014 3:21 PM Meet Jordan Weissmann Five questions with Slate’s senior business and economics correspondent.
  Arts
Brow Beat
Sept. 30 2014 2:56 PM How Faithful Is David Fincher’s Gone Girl?
  Technology
Future Tense
Sept. 30 2014 2:38 PM Scientists Use Electrical Impulses to Help Paralyzed Rats Walk Again
  Health & Science
Bad Astronomy
Sept. 30 2014 7:30 AM What Lurks Beneath the Methane Lakes of Titan?
  Sports
Sports Nut
Sept. 28 2014 8:30 PM NFL Players Die Young. Or Maybe They Live Long Lives. Why it’s so hard to pin down the effects of football on players’ lives.