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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

Jupiter's outbreak is spreading

Emily Lakdawalla • November 22, 2010

Jupiter, always a pretty sight in the sky, is now worth visiting every day; the "outbreak" that heralds the return of Jupiter's formerly red, now fadedsouth equatorial belt is expanding and multiplying.

The Disturbance is Starting

Emily Lakdawalla • November 11, 2010

Jupiter's faded belt may be coming back.

An awesome animation of Jupiter's clouds

Emily Lakdawalla • November 09, 2010

Ready to see something beautiful? Here's a team effort by Björn Jónsson and Ian Regan to create a really mesmerizing view of the motions of Jupiter's clouds.

Voyager Mission Status Bulletins: Jupiter and Saturn

Emily Lakdawalla • September 24, 2010

Last week I posted a stack of Voyager Mission Status Bulletins, which were once the main resource for space enthusiasts to follow the dramatic events and photos of an in-flight space mission.

Pretty picture: Europa and Jupiter

Emily Lakdawalla • September 21, 2010

Photos like this always make me think about how unimportant size is in determining whether one of the worlds of the solar system is an exciting place.

The Voyager Mission Updates

Emily Lakdawalla • September 14, 2010

We take for granted now the ability to get detailed mission updates in a timely fashion via the Web. But How did people get their mission status before the Web?

Possibly the best view of the Great Red Spot ever

Björn Jónsson • September 01, 2010 • 1

This is a new, big mosaic of Voyager 1 images, this time showing the Great Red Spot at high resolution.

Jupiter's swirling storms from Voyager 1

Emily Lakdawalla • August 26, 2010

Amateur image mage Björn Jónsson has recently turned his attention back to Voyager 1's close-up images of Jupiter.

The August 20, 2010 Jupiter fireball -- and the March 5, 1979 one

Emily Lakdawalla • August 24, 2010

Following up on the story I first posted on August 22, the Jupiter impact fireball first noticed by Japanese amateur astronomer Masayuki Tachikawa has been independently confirmed by two other Japanese astronomers.

Yet another Jupiter impact!? August 20, seen from Japan

Emily Lakdawalla • August 22, 2010

This may be a very common event after all: another optical flash has been observed on Jupiter, again from an observer far east of the Greenwich meridian, though it was not Anthony Wesley (for once).

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