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

Titan’s haze

Clouds and haze and dust, oh my!

What types of aerosols do we find in the atmospheres around the Solar System, and why does what we call them—clouds vs. haze vs. dust—matter? Sarah Hörst explains.

Pluto: early best guess at color

What in the world(s) are tholins?

The question “why is Pluto red” has been answered with a word that most people have never heard of and perhaps even fewer people can actually define—“tholins”.

Titan's high haze

Probing Titan's Atmosphere

By now I hope that everyone has seen some of the spectacular images of the Saturn system (and especially Titan!) from the Cassini-Huygens mission. However, the measurements that often make my heart race are taken by instruments that reveal Titan in ways that our eyes cannot see.

Planetary scientist Sarah Hörst in her Johns Hopkins University lab.

Doing a science on Titan

A tale from the scientific trenches: laboratory work to simulate Titan's rich atmosphere.