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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

A launch delay for Mars Reconnaissance Orbiter

Emily Lakdawalla • August 09, 2005

The Space Shuttle couldn't land at Kennedy Space Center today because of concerns about weather, so I have been expecting a launch delay to be announced for Mars Reconnaissance Orbiter. Indeed, a 24-hour delay has just been announced; the new launch date is Thursday, August 11 from 7:50 to 9:35 a.m. EDT (11:50 to 13:35 UTC).

I didn't watch the Shuttle land -- but I sure noticed when it did!

Emily Lakdawalla • August 09, 2005

I didn't watch the Shuttle land -- but I sure noticed when it did!

A photo of MESSENGER

Emily Lakdawalla • August 03, 2005

I was browsing the MESSENGER website just now, and found a neat photo. It's a picture of MESSENGER as seen from Earth when it flew by yesterday.

MESSENGER is getting close

Emily Lakdawalla • August 01, 2005

MESSENGER is now returning images as it is bearing down on Earth.

Cassini tour page revised

Emily Lakdawalla • July 30, 2005

Cassini mission planner Dave Seal just gave me the latest reference trajectory for Cassini, so I've gone through and updated the flyby altitudes on the Cassini tour page.

Enceladus is alive!

Emily Lakdawalla • July 29, 2005

It's official: Enceladus has joined the rarefied community of Solar System objects that have been caught in the act of making new geology.

Duck! MESSENGER's Earth flyby is coming up

Emily Lakdawalla • July 28, 2005

The MESSENGER Mercury orbiter, which launched a year ago next week, is on target for its Earth flyby on August 2.

A Deep Impact update

Emily Lakdawalla • July 28, 2005

We haven't forgotten about Deep Impact, but there's still no word on the crater size.

Deep Impact Sets a New Course as Tempel 1 Returns to Normal

Emily Lakdawalla • July 20, 2005

With its mission at Tempel 1 over, the Deep Impact spacecraft has altered its course in order to allow a future mission at another comet.

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