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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

Phobos Photobomb

Emily Lakdawalla • December 15, 2010

Don't blink when you play the video below -- it's only 15 seconds long, but it's so cool.

Door 14 in the 2010 advent calendar

Emily Lakdawalla • December 14, 2010

Until the New Year, I'll be opening a door each day onto a different landscape from somewhere in the solar system. Where in the solar system are these red freckles?

Opportunity: "So close we can taste it" to Santa Maria

Emily Lakdawalla • December 14, 2010

Opportunity is on a kilometers-long eastward road trip across Meridiani Planum toward the rim of a large ancient crater named Endeavour; it'll be many months yet before she gets there.

IKAROS flew past Venus on December 8

Emily Lakdawalla • December 14, 2010

Just after Akatsuki missed entering orbit, another spacecraft, IKAROS, quietly passed by Venus.

Talk at AGU today: "Snapshots from Space"

Emily Lakdawalla • December 13, 2010

I had planned to be in San Francisco today to present at the 2010 Fall Meeting of the American Geophysical Union, in an Education and Public Affairs session.

Door 13 in the 2010 advent calendar

Emily Lakdawalla • December 13, 2010

Time to open the thirteenth door in the advent calendar. Where in the solar system are these parallel gouges?

Boulders and Ponds on 433 Eros

Emily Martin • December 13, 2010

There is really cool geology being explored on large, oddly shaped asteroids. The Near Earth Asteroid Rendezvous (NEAR) mission reached 433 Eros in 2000, and one of the exciting results was the discovery of features called "ponds".

Door 12 in the 2010 advent calendar

Emily Lakdawalla • December 12, 2010

Time to open the twelfth door in the advent calendar. Where in the solar system is this trapezoidal mountain?

Door 11 in the 2010 advent calendar

Emily Lakdawalla • December 11, 2010

Time to open the eleventh door in the advent calendar. Until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these sinuous ridges?

Akatsuki update: Failure to enter orbit due to insufficient fuel pressure

Emily Lakdawalla • December 10, 2010

An English-language article in the December 11 Yomiuri Shimbun summarizes the news from the Akatsuki press briefing held at 11:00 December 10 JST (last night, my time). It's succinct and clear so I'm reposting it here.

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