September 30, 2013

Mysterious Green Patches Recorded Amidst Perseid Meteors

The wonderful time-lapse video below records Perseid meteors above Canada. But it also contains a mystery.

The wonderful time-lapse video below records Perseid meteors above Canada. But it also contains a mystery. At about 25 seconds in, the video shows mysterious green patches, which could be airglow, aurora, lighting from an artificial or natural source, or something entirely different.

Watch here and let us know what you think.

Video Credit & Copyright: Kevin Snair, Creative Imagery

Starts With A Bang

The unsurprising non-detection of intelligent aliens

Life arose on Earth very early on. After a few billion years, here we are: intelligent and technologically advanced. Where's everyone else?

A person in a dark robe wielding a glowing red lightsaber on a desert dune under a night sky with a large crescent moon and a visible planet.

High Culture

Does science fiction shape the future?

Six visionary science fiction authors on the social impact of their work.

A human brain preserved in a clear glass container filled with a yellowish preserving fluid, set against a bright, light green background.

13.8

The key problem with the “brain in a vat” thought experiment

Even with the best technology imaginable, you'd probably never be able to exist as a consciously aware brain in a vat.

A dramatic solar eclipse with a radiant ring of fire visible around the moon, set against a backdrop of clouds and a sunburst.

13.8

A cosmic coincidence: What eclipses tell us about Earth

Total eclipses are a product of a strange and almost eerie cosmic coincidence — one that makes Earth an even rarer world in the galaxy and, by proxy, in the Universe.

Starts With A Bang

If photons have mass, could they explain dark matter?

Our Universe requires dark matter in order to make sense of things, astrophysically. Could massive photons do the trick?

Up Next

Thinking

Richard Dawkins Is Wrong About Religion

Not only is religion just as bad as an infectious disease, Mr. Dawkins also says it is a form of child abuse.