Topic: Earth Science
The Dying Sun will Take Out the Earth

The Dying Sun will Take Out the Earth

Clumps of debris from a disrupted planetesimal are irregularly spaced on a long and eccentric orbit around the white dwarf. Individual clouds of rubble intermittently pass in front of the white dwarf, blocking some of its light. Because of the various sizes of the fragments in these clumps, the brightness of the white dwarf flickers in a chaotic way. Credit: Dr Mark Garlick/The University of Warwick Living with a star today means we have a nice planet at a nice enough temperature to thrive, and we occasionally get treated to amazing light shows in the form of aurorae. This is only temporary,...

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Closer Look: It’s Volcano Time

Closer Look: It’s Volcano Time

Credit: Berserkur via Wikimedia Commons One of the daily activities that is helping me stay sane is volcano watching. I love volcanoes. I especially enjoy when they erupt in places that have webcams but don’t affect the lives of people. Unfortunately, those are both...

The State of Climate Change

The State of Climate Change

Extreme Weather. Credit: NOAA As human beings, we have infinite capacity for empathy. We also have the capacity to be blind to what is going on in the world around us. This dichotomy is why some people see the Sarah MacLachlan ASPCA ads and donate, others click to...