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Posts by
David Callejas
Perseid meteor flying over Texas
EarthSky Facebook friend Gary Snow captured a Perseid meteor early this morning - August 5, 2013.
August 5, 2013
Earth from Saturn in 2006
The Cassini spacecraft has been orbiting Saturn since 2004. It captured this image of Earth, seen through Saturn's rings, in 2006, from nearly a billion miles away.
July 19, 2013
An aurora, and the start of meteor season
The sun is in an active part of its 11-year cycle, so auroras have been frequent. Meanwhile, summer meteor season in the Northern Hemisphere is gearing up.
July 18, 2013
A liquid lake on Saturn’s moon
A false-color mosaic of Ligeia Mare - the second-largest known body of liquid on Saturn's largest moon, Titan. It's larger than Lake Superior on Earth.
July 17, 2013
Starburst ring
Although at first glance you may see a number of rings in this image, astronomers believe that Messier 94 has just one starburst ring.
July 16, 2013
Spectacular sunset over Mono Lake
This photo was taken by Facebook friend Chris Tinker shortly after the sun set over Mono Lake, California.
July 15, 2013
Video: Washing your hair in space
Astronaut Karen Nyberg - currently aboard the International Space Station - demonstrates how one washes long hair in space.
July 11, 2013
World’s largest urban bat colony
World's largest urban bat colony captured from under the Congress Avenue Bridge in Austin, TX thanks to our friend Pamela Phillips.
June 28, 2013
Secret sunrise
Sunrise over Currituck, North Carolina, taken at Greg Diesel's secret location deep in the marsh this morning.
June 27, 2013
Joshua tree highlighted by supermoon
Joshua Tree National Park in southeastern California on the night of the June supermoon, captured by Patricia Knight.
June 26, 2013
