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Stories, updates, insights, and original analysis from The Planetary Society.

Mars approaches Earth, and Earthlings dream of going to Mars

Looking back into space and time, and looking forward to mission milestones and new endeavors. All this and more in your weekly space digest.

A ring of fire and Titan’s explosive volcanoes

All the latest space news, plus ways you can celebrate and advocate for space.

LightSail 2 Enters Extended Mission Phase

One year after launch, The Planetary Society’s solar sail spacecraft is embarking on an extended mission dedicated to further advancing solar sailing technology.

Ten New Pictures from LightSail 2

Images from around the globe, plus some night pictures and the spacecraft's solar panels.

Your Impact: March Equinox 2020

Celebrating Shoemaker Grant winners, Society awards, and volunteer efforts around the world.

Here's What We've Learned So Far from LightSail 2

A new paper recaps mission events, discusses solar sail performance, and describes how the spacecraft's orbit has changed.

Planetary Society Talks Europa, Planetary Defense, and Solar Sailing in Washington D.C.

Thanks to our members and donors, The Planetary Society participated in several activities at the 2019 International Astronautical Conference.

“I Talk to It Every Day”: Students are Vital Members of LightSail 2 Team

More than 50,000 people supported LightSail 2. But only one person can talk to the spacecraft at a time, and it's often a student.

Bill Nye, Planetary Society Staff Listen to LightSail 2 Signal

When LightSail 2 recently flew south of The Planetary Society's headquarters, CEO Bill Nye and other staff members stepped outside to listen.

Calling All Image Processors: Help Us Create a Top-Down View of LightSail 2

We've got 2 fish-eye pictures of the spacecraft's solar sail from opposite cameras, and we're hoping they can be combined.

Your Impact: September Equinox 2019

Your LightSail 2 spacecraft is in space, controlling its orbit solely on the power of sunlight.

The September Equinox 2019 Issue of The Planetary Report Is Out!

A new issue of The Planetary Report brings you our pride in the success of LightSail 2 and our gratitude to our members for making it happen. Plus Venus science from Akatsuki and Venus Express, and the status of planetary defense.

LightSail 2 Marks 1 Month of Solar Sailing

LightSail 2's orbital high point around the Earth has raised by 7.2 kilometers, without any conventional fuel.

How to See LightSail 2 in the Night Sky

If your latitude is within 42 degrees of the equator, there's a chance you may be able to spot LightSail 2's reflective solar sail.

LightSail 2 Nears 2 Weeks of Solar Sailing

The high point of the spacecraft's orbit around the Earth on Monday was 729 kilometers, an increase of 3.2 kilometers since sail deployment.

LightSail 2 Spacecraft Successfully Demonstrates Flight by Light

In the past 4 days, the spacecraft has raised its orbital high point, or apogee, by about 2 kilometers.

LightSail 2 Successfully Deploys Solar Sail

Images from The Planetary Society's spacecraft confirm the solar sails deployed on 23 July 2019 at 11:47 PDT (18:47 UTC).

Live Coverage: LightSail 2 Sail Deployment

Visit planetary.org/live for video and audio from mission control, located at Cal Poly San Luis Obispo in California.

LightSail 2 Sail Deployment Scheduled for Tuesday

The target ground station pass for deployment starts 23 July 2019 at roughly 11:22 PDT (18:22 UTC).

LightSail 2 Team Continues Tweaks and Tests for Sail Deployment

Spare bandwidth during ground station passes has allowed flight controllers to downlink 2 new high-resolution images.

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