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Celebrating One Year of Solar Sailing

The Planetary Society's LightSail 2 spacecraft has been in space a full year. Learn about our extended mission, join us on 25 June for a live celebration, and hear our team members discuss what we've accomplished.

Our Commitment to Work Against Racism

Many of us are having a hard time looking up right now. It’s a painful moment. We here at The Planetary Society recognize we must do more to support Black people, including Black people who love space. Read our initial response from CEO Bill Nye and watch Nye speak with retired NASA astronaut Leland Melvin.

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A Conversation: Leland Melvin and Bill Nye

Retired NASA astronaut Leland Melvin joins Bill Nye, CEO of The Planetary Society, in a wide-ranging conversation about recent space milestones and how racial inequality afflicts space exploration.

Get Ready for Mars

Next month, 3 countries are launching 3 new missions to Mars. We've got everything you need to get ready.

The Downlink

Our weekly newsletter is your toolkit to learn more about space, share information with your friends and family, and take direct action to support exploration. View past issues at planetary.org/downlink and sign up to receive The Downlink in your email at planetary.org/connect.

Your Guide to Planetary Missions & Worlds

We're building guides to the worlds of our solar system and beyond, and the missions that visit them. See the latest new pages we've published.

Planets & Other Worlds

Jupiter

Saturn

More Blogs & Articles

The Planetary Society and the Search for Extrasolar Planets

Amir Alexander • October 27, 2005

Almost since it was founded in 1980, The Planetary Society has been there for the search for other worlds.

Cassini Poised to Pinpoint Huygens' Landing Site At Last

Emily Lakdawalla • October 26, 2005

I've just posted a very brief update on the upcoming Titan flyby, which will be the first to include RADAR imaging across the Huygens landing site.

An evening with Dava Sobel

Emily Lakdawalla • October 24, 2005

I've just come home from Caltech, where I saw author Dava Sobel give a presentation on her latest book, The Planets.

A way-cool Cassini picture: rings, Titan, Dione, Prometheus

Emily Lakdawalla • October 19, 2005

I just noticed this picture on the Cassini raw images website. I love these "many worlds" pictures.

NOW Mars is spectacular

Emily Lakdawalla • October 19, 2005

Back in August, there was a false alarm being circulated by email that Mars was going to be super-close to Earth on August 27.

Animation from Cassini's approach to Dione

Emily Lakdawalla • October 12, 2005

The images from Cassini's Dione encounter yesterday have started coming back, and there is a really cool set of 16 pictures of Dione and Rhea.

Dione encounter today

Emily Lakdawalla • October 11, 2005

Cassini is already on its way in to a close, 500-kilometer encounter with Dione -- it's less than four hours away now, at 17:52 UTC.

Hyperion in color

Emily Lakdawalla • October 10, 2005

Here is a gorgeous color mosaic of Hyperion assembled by amateur image processor Mattias Malmer from images from the recent flyby.

A new Cassini data release to the Planetary Data System

Emily Lakdawalla • October 06, 2005

Yesterday, this quarter's release of Cassini data showed up at the Planetary Data System (PDS). The PDS is the public repository for all of NASA's data.

A piece of a new picture from Hayabusa

Emily Lakdawalla • October 04, 2005

The Hayabusa mission has proven to be a bit of a tease -- they were releasing lots of images to the public as they approached asteroid Itokawa, but once they arrived, the image releases shut down entirely. There is finally a little postage stamp of an image captured by Hayabusa at "home position," only 7 kilometers from the asteroid, compared here to a picture taken from "gate position," 20 kilometers away.

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