Join Donate

Video

Introduction to Comet Siding Spring’s Near Miss at Mars

Please accept marketing-cookies to watch this video.

On October 19, 2014, Comet Siding Spring will fly very close to Mars. Here’s a 5 minute video introduction to get you up to speed on this planetary near miss, and some suggestions on how to find out more now, during, and after the encounter.

You are here:
Comments & Sharing
Bill Nye and people
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

LightSail
LightSail 2 Sweepstakes

Help power LightSail 2's journey and support the mission by entering to win a complete LightSail swag kit.

Learn More