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

InSight assembly begins

NASA's next Mars lander is becoming real, now under construction at Lockheed Martin.

The YORP Effect and Bennu

The YORP effect is a phenomenon that affects the rotation rate and pole orientation of an asteroid. YORP is an acronym that combines four scientist’s names: Yarkovsky, O’Keefe, Radzievskii, and Paddack.

Ceres is round!

Okay, so the fact that Ceres is round is not news. It's still thrilling to see Ceres begin to come into focus as a round world.

Hayabusa2 launches toward asteroid rendezvous

Hayabusa2 successfully launched on December 3, 2014 at 04:22 UTC, and embarked on its interplanetary journey about two hours later. During the launch, cameras captured video of the spacecraft fairing separation.

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