Mauna Kea Sky Shadow
March 1st, 2008 by Kelson. Posted in Space and tagged for eclipse, Hawaii, Mauna Kea, observatory, sunsetToday’s Astronomy Picture of the Day features a view of Mauna Kea’s shadow on the sky, just at the tail end of last week’s lunar eclipse:
I couldn’t help but be reminded of our visit to the summit in April 2005, just at sunset, when I took this similar (but decidedly less cool) photo:
Atmospheric Optics explains why most mountains’ shadows look triangular when viewed from their summits.
