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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

Near Earth Objects and Planetary Defense

Emily Lakdawalla • November 26, 2009

Could a space rock hit Earth and cause widespread devastation? What could we do if we found an asteroid or comet on a collision course with Earth?

Saturn's aurora, even better than before

Emily Lakdawalla • November 24, 2009

The Cassini imaging team have posted their own processed and captioned version of the Saturn's aurora movie that I posted a preview of about six weeks ago, and it was worth the wait.

Two more awesome pictures from the Enceladus flyby

Emily Lakdawalla • November 22, 2009

I'm getting to be a broken record here, but I can't stop looking at these photos from the Enceladus flyby.

Another great Enceladus shot

Emily Lakdawalla • November 21, 2009

Here's a 4-frame mosaic of Enceladus images -- just another everyday spectacularly alien landscape.

Prepare for your jaw to hit the floor when you see these pictures of Enceladus

Emily Lakdawalla • November 21, 2009

Wow, just wow. I didn't know what to expect from the second flyby of Saturn's geyser moon Enceladus in November, which happened yesterday.

Encouraging motion on Spirit

Emily Lakdawalla • November 19, 2009

It really looks like the second attempt at driving Spirit out of the trap has had the hoped-for result: some forward progress (maybe about a centimeter), and no evidence for further downward sinking.

Space Imaging II: Getting Started with MER and Cassini Raw Images now available for download

Emily Lakdawalla • November 19, 2009 • 2

I probably crammed too much into today's class: an hour-and-a-half whirlwind tour through the cameras on the rovers and Cassini, how to access their raw images on the Internet, and some basic processing that you can do with each of them.

Hayabusa's still coming home: JAXA engineers come up with yet another creative solution

Emily Lakdawalla • November 19, 2009

Trouble has come time and again to JAXA's little Hayabusa asteroid sample return mission, yet the mission's engineers always come up with new and creative ways to solve problems.

Opportunity's poking at Marquette Island; Cassini's catching dancing moons

Emily Lakdawalla • November 18, 2009

Since tomorrow's class is going to be on playing with raw images from the rovers and Cassini, I've been playing with recent raw images from the rovers and Cassini! I just thought I'd share a couple of the fun items I've been working with.

Atlantis Rockets to Orbit on crucial ISS resupply flight

Ken Kremer • November 18, 2009

Space Shuttle Atlantis and her crew of six rocketed into orbit on Monday (November 16) precisely as planned at 2:28 PM EST from the Kennedy Space Center (KSC) in Florida.

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