Astronomy Live: Astronomy and Vision With Emily Rice January 25, 2011

For thousands of years, the study of the stars was limited to what could be seen with the naked eye. Learn how human vision and the brain sense and interpret visible light, discern brightness and color, and sense patterns better than even the most sophisticated computer programs. These Hayden Planetarium programs let visitors explore the night sky with the Zeiss Mark IX star projector or travel to the farthest reaches of the observable universe with the world's most complete cosmic atlas, the Digital Universe.