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16 April 2020

Dust devils may roam hydrocarbon dunes on Saturn’s moon Titan

Smoggy, with a chance of dust devils: conditions at the surface of Saturn’s moon Titan may spawn convective whirlwinds By Liza Lester Meteorological conditions on Saturn’s large moon Titan, the strange, distant world that may be the most Earth-like in the solar system, appear conducive to the formation of dust devils, according to new research in AGU’s journal Geophysical Research Letters. If true, these dry whirlwinds may be primary movers …

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16 December 2015

Problematic asteroids could be pushed off course by gentle thrusts

When faced with the threat of large Earth-bound asteroids, some have suggested deflecting the rocky bodies by striking them with large objects. Others prefer to nuke them. But there is a less violent approach…

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7 May 2015

You Really Cannot Imagine How Far Away Pluto Is, But This May Help.

  I aired a story tonight I have wanted to share for over 20 years. It has to do with the New Horizons mission which will fly by Pluto in July and allow us to see what it looks like for the FIRST TIME IN HISTORY, but I want to give you an idea of how very, very far away Pluto is. You will likely see some news reports in …

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1 November 2011

Solar System Learn-to-Read App

A while back, I was contacted by a company that makes iPad apps to teach kids to read and also teaches them about science. They were interested in doing a picture book about the solar system and wanted me to write the minimal text. I agreed and we wrangled with conveying some key information about the solar system using only a few hundred words. It’s surprisingly hard, but I think we managed to do pretty well.

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