NASA MODIS Image of the Day: June 15, 2009 - Circles in Thin Ice, Lake Baikal, Russia

Late in April 2009, astronauts aboard the International Space Station observed a strange circular area of thinned ice in the southern end of Lake Baikal in southern Siberia.Images Siberia is remote and cold; ice cover can persist into June. This MODIS Aqua image from April 20, 2009, shows one of these circles, which is the focal point for ice break up in the very southern end of the lake. The