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May 20, 2015
#JoshuaTree #NationalPark's iconic Joshua Trees come in many shapes and sizes. No two are the same. This one is trying to imitate the #MilkyWay. Explore @joshuatreenps's unique landscape and photograph the park's dark skies this Saturday (May 23) as part of the Joshua Tree National Park Own the Night Instameet. Hosted by @weownthenight_ca -- a group of #California night photographers -- the all-night event will give skilled and amateur photographers the chance to capture amazing pics of Joshua Tree's starry nights. The #WOTNCA_JTNP Instameet starts at 8 pm at the park's Cap Rock. Photo courtesy of Juan Moreno (@che_1984). by usinterior
Located in Southern #California near the #Arizona border, Whipple #Mountains Wilderness is home to the only stand of Saguaro Cactus in California. This 76,123-acre #wilderness area has a diverse landscape -- from valley floors and washes to steep-walled canyons, domed peaks, natural bridges and eroded spires. #Sunset photo by Bob Wick, @mypubliclands. 🌵🌵 by usinterior
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May 19, 2015
Whooo are you looking at? This great pic of a great-horned #owl with its baby was captured by bird guide and author Richard Crossley about a month ago in Cape May, #NewJersey. The area is home to @usfws's #CapeMay National #WildlifeRefuge, which provides a critical habitat to a wide variety of migratory birds and other #wildlife. Owls and other raptors nest early so that their babies are ready to hunt when other young-of-the-year animals are easy prey. Photo courtesy of Richard Crossley (The Crossley ID Guide). by usinterior
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Auroras and Star Trails over Iceland Auroras and Star Trails over Iceland
It was one of the quietest nights of aurora in weeks. Even so, in northern- Iceland during last November, faint auroras lit up the sky every clear night. The featured 360-degree panorama is the digital fusion of four wide-angle cameras each simultaneously taking 101 shots over 42 minutes. In the foreground is serene Lake Myvatn dotted with picturesque rock formations left over from ancient lava flows. Low green auroras sweep across the sky above showing impressive complexity near the horizon. Stars far in the distance appear to show unusual trails -- as the Earth turned -- because early exposures were artificially faded. via NASA http://ift.tt/1ERQm3t
May 18, 2015
NGC 2440: Pearl of a New White Dwarf NGC 2440: Pearl of a New White Dwarf
Like a pearl, a white dwarf star shines best after being freed from its shell. In this analogy, however, the Sun would be a mollusk and its discarded hull would shine prettiest of all! In the above shell of gas and dust, the planetary nebula designated NGC 2440, contains one of the hottest white dwarf stars known. The glowing stellar pearl can be seen as the bright dot near the image center. The portion of NGC 2440 shown spans about one light year. The center of our Sun will eventually become a white dwarf, but not for another five billion years. The above false color image was captured by the Hubble Space Telescope in 1995. NGC 2440 lies about 4,000 light years distant toward the southern constellation Puppis. via NASA http://ift.tt/1PNOVt1
May 17, 2015
On a clear, moonless night, visitors to #GreatBasin National Park in #Nevada can see thousands of stars, five of our solar system's eight planets, star clusters, meteors, man-made satellites, the Andromeda Galaxy, and the #MilkyWay -- all with the naked eye. The area boasts some of the darkest night skies left in the United States. #NationalPark Service photo. by usinterior
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Ares 3 Landing Site: The Martian Revisited Ares 3 Landing Site: The Martian Revisited
This close-up from the Mars Reconnaissance Orbiter's HiRISE camera shows weathered craters and windblown deposits in southern Acidalia Planitia. A striking shade of blue in standard HiRISE image colors, to the human eye the area would probably look grey or a little reddish. But human eyes have not gazed across this terrain, unless you count the eyes of NASA astronauts in the scifi novel The Martian by Andy Weir. The novel chronicles the adventures of Mark Watney, an astronaut stranded at the fictional Mars mission Ares 3 landing site corresponding to the coordinates of this cropped HiRISE frame. For scale Watney's 6-meter-diameter habitat at the site would be about 1/10th the diameter of the large crater. Of course, the Ares 3 landing coordinates are only about 800 kilometers north of the (real life) Carl Sagan Memorial Station, the 1997 Pathfinder landing site. via NASA http://ift.tt/1IDwRmz
May 16, 2015
Lassen Volcanic #NationalPark in #California is home to steaming fumaroles, meadows freckled with #wildflowers, clear #mountain lakes and numerous #volcanoes. David Olden captured this breathtaking shot of the park at #sunset. Of the experience, he says: “Some memories in life are etched into our mind, sometimes we're lucky enough to realize that while we are experiencing the moment. This was one of those moments for me. Not a soul in sight as I sat and watched the sky change colors over Helen Lake with #LassenPeak behind it.” Photo from http://ift.tt/18oFfjl. by usinterior
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