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

Sands on Earth, Sands on Mars

One of the ways that planetary scientists try to understand the origin and evolution of landforms on other planets is by studying similar kinds of landforms or

"Moon?"

It's a legal holiday here in the U.S. (President's day), and my daughter's babysitter is taking the day off, so I won't be getting much work done today. But I thought I'd check in to share the fact that, as we got out of the car last week, my daughter pointed up in the sky at the crescent moon and said

Space weather affects everyday life on Earth

According to a press release issued this morning by the National Oceanic and Atmospheric Administration, the enormous solar flare that erupted on December 5 and 6 last year was accompanied by an intense radio burst that caused large numbers of Global Positioning System recivers to stop tracking the signal from the orbiting GPS satellites.

A debate about time

I received a press release in my inbox this morning that made me think. It came from the Royal Astronomical Society, and was titled

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