Topic: Astronauts Spot Mysterious Ice Circles in World’s Deepest Lake

[sam]

Astronauts aboard the International Space Station noticed two mysterious dark circles in the ice of Lake Baikal in April. Though the cause is more likely aqueous than alien, some aspects of the odd blemishes defy explanation.

http://www.wired.com/wiredscience/2009/05/astronauts-spot-mysterious-ice-circles-in-worlds-deepest-lake/

[Clive]

Scorch marks from an alien spacecraft.   

[mistybear]

Could be, or the world's oldest crop circle. 

[Simon]

A ring from a giant coffee cup?

[sam]

lol! I think its most likely some underwater heating..

[Reno]

Or... they have officially discovered the ashole of the world. 

[Clive]