A magic moment. Colorful evening twilight, clouds, comet and crescent moon, captured by talented astrophotographer Babak Tafreshi. The scene captures naked-eye Comet PanSTARRS peeking into northern hemisphere skies on March 12. Image © Babak Tafreshi (TWAN)
Polar mesospheric clouds (noctilucent or “night shining” clouds) form between 76 to 85 kilometers (47 to 53 miles) above the Earth’s surface, near the boundary of the mesosphere and thermosphere, a region known as the mesopause. Image © Astronaut William L. Stefanov, Jacobs/ESCG at NASA-JSC.
Astronomers using NASA’s Spitzer and Hubble space telescopes have probed the stormy atmosphere of a brown dwarf named 2MASSJ22282889-431026, creating the most detailed “weather map” yet for this class of cool, star-like orbs. Artist’s conception: NASA/JPL-Caltech
These Mammatus clouds were photographed over Regina, Saskatchewan, Canada during the past summer. Mammatus (“mammary cloud” or “breast cloud”), is a meteorological term applied to a cellular pattern of pouches hanging underneath the base of a cloud. Image credit: wikimedia
The image of Tropical Storm Isaac and the cities near the Gulf Coast of the United States, was acquired just after local midnight by the the Visible Infrared Imaging Radiometer Suite (VIIRS) “day-night band.” The clouds of Isaac were lit by moonlight. NASA Earth Observatory image by Jesse Allen and Robert Simmon, using VIIRS Day Night Band data. Caption by Mike Carlowicz.