Topic: methane

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How can we know anything about distant exoplanets?

How can we know the size, composition, and atmospheric makeup of distant exoplanets? NASA explains the details in this Alien Atmospheres video.  By observing periodic variations in the pare...

The Top 5 Places to Look for Alien Life

Where might we find life in our solar system? Via skeptv, Scientific American Space Lab has a countdown for that: Top 5 Places to Look for Alien Life. Bonus — the video comes with additional reading material:  ...

Studying ice cores in Antartica

When you drill 364 meters (1194 feet) down into Antarctic ice, taking out a cylindrical section called an ice core, you can find out about the Earth’s temperature and carbon dioxide levels from over 20,000 yea...

Brian Cox’s Favorite Wonder: Saturn’s moon Titan

Brian Cox’s Favourite Wonder from Wonders of the Solar System: Against the stunning backdrop of the glaciers of Alaska, Brian reveals his fourth Wonder. Saturn’s moon Titan is shrouded by a murky, thic...

The Landfill: how different kinds of trash can be harvestable resources

The Landfill is a three minute film by documentary filmmaker Gary Hustwit and director Jessica Edwards about how our different kinds of trash can be used as harvestable resources. The Unite...