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More Issues

Feature: Exoplanets

2 March 2020

Your Guide to Exoplanets

Learn why and how we study exoplanets, and how you can get involved.

2 March 2020

Our Exoplanets Research

Scientists are searching for 100 Earth-like planets around other stars, and you can help.

Swapna Krishna ● 12 March 2020

What is the Habitable Zone?

The habitable zone is the not-too-hot, not-too-cold region around a star where liquid water can exist.

Emily Lakdawalla ● 2 March 2020

The Different Kinds of Exoplanets
You Meet in the Milky Way

Lava worlds. Hot Jupiters. Earth 2.0 candidates. Here's a rundown of some notable exoplanets.

Emily Lakdawalla & Staff ● 2 March 2020

How to Search for Exoplanets

Some methods almost sound like science fiction: Using gravity as a magnifying glass, watching stars wobble at turtle-like speeds, and searching for tiny dips in starlight.

2 March 2020

Your guide to WFIRST

WFIRST, NASA's Wide Field Infrared Survey Telescope, is the next step in our hunt for Earth-sized exoplanets.

Blogs & Articles

Be a Martian!

Ryan Anderson • November 18, 2009

I think the new "Be a Martian" collaboration between NASA and Microsoft is a great idea!

Results of the first "Free Spirit" extrication drive, sol 2088: not much, as expected

Emily Lakdawalla • November 17, 2009

Even though all of us rover fans know that Spirit is really, really stuck, I think I'm not the only one who was secretly hoping that today's images downlinked from Spirit would show that the rover had magically popped out of the ground overnight. Of course, she didn't.

How to download the first imaging class: "Images Are Data"

Emily Lakdawalla • November 16, 2009

I finally prevailed in hosting the first in my series of classes on processing space images for amateurs this morning, while most people who were not working were probably watching the flawless launch of Space Shuttle Atlantis.

Leonid Meteor Shower Peaks on the 17th

Bruce Betts • November 16, 2009

The Leonid meteor shower peaks on Tuesday, November 17. The Leonids are a highly variable shower, and as such are a bit of a gamble on what you'll see. Could be great, could be so-so.

Rosetta Earth swingby successful

Emily Lakdawalla • November 13, 2009

Rosetta appears to have operated flawlessly as it streaked past Earth for its flyby early this morning. Here are a few more gems from the flyby.

LightSail Garners News Headlines

Susan Lendroth • November 13, 2009

The Planetary Society's new solar sail project -- LightSail -- has generated headlines and hundreds of news stories since it was announced on Monday.

LCROSS team: "Yes, we found water!"

Emily Lakdawalla • November 13, 2009

I just posted a story on the announcement today that LCROSS definitely found lots of water in the spectra from their October 9 impact.

STS 129 Astronauts Arrive at Cape Canaveral

Ken Kremer • November 13, 2009

Under overcast skies and unusually cold Florida weather, the six man astronaut crew of STS 129 flew into Cape Canaveral on November 12 aboard a NASA Gulfstream II jet.

LightSail Featured on NPR's Science Friday

Susan Lendroth • November 12, 2009

Our Executive Director Lou Friedman joins host Ira Flatow on NPR's Science Friday -- November 13 -- for a live chat about The Planetary Society's exciting new solar sail project.

Two new names in the solar system: Herse and Weywot

Emily Lakdawalla • November 12, 2009

Via the USGS I learned that Jupiter has passed a milestone of sorts, and now has fifty named satellites.

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