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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

Planetary Society Advent Calendar for December 25: Double planet

Emily Lakdawalla • December 24, 2009

To those of you who celebrate the holiday, merry Christmas! I hope Santa was good to you.

Copenhagen Needs More Space - Space Science Has Critical Role to Play in Climate Science

Charlene Anderson • December 10, 2009

Climate change and Copenhagen are dominating the world news this week, as politicians, diplomats, scientists, and protesters gathered in the Danish city for the 2009 meeting for the U.N. Framework Convention on Climate Change.

The Norway Spiral

Emily Lakdawalla • December 10, 2009

I had a fun conversation with Paul Harris just now on his show at KTRS about the crazy spiral that showed up in Norwegian skies yesterday.

If Earth had rings

Emily Lakdawalla • December 03, 2009

I am the very last space blogger in the universe to post about this video, but that doesn't make it any less cool.

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.

Crescent Earth

Emily Lakdawalla • November 12, 2009

Just hours away from its Earth flyby, Rosetta is busily snapping images and gathering other science data.

Tracking the stars -- and Earth

Emily Lakdawalla • November 11, 2009

This was a neat photo from ESA today.

Netherlands fireball

Emily Lakdawalla • October 14, 2009

I was debating whether to write anything about a reported fireball that streaked across the sky in the Netherlands at roughly 19:00 local time (17:00 UTC) yesterday, October 13, but seeing this image ended my internal debate.

AMASE 2009: Testing future Mars surface instruments in the Arctic

Emily Lakdawalla • October 13, 2009

I have just posted four more blog entries from Juan Diego Rodgriguez-Blanco detailing the work conducted during this year's Artic Mars Analogue Svalbard Expedition (AMASE).

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