The magic stuff is in the left column, the middle 3 are things I'd like to share with you, the right column is worth your attention.
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Photo links 46 Back
to the full photo list page. Vapor Spout - A vapor spout is formed from the thermal dynamics of lava entering the ocean.Hawaii Volcanoes - the Photography of G. Brad Lewis, PhotoTripUSA. Blue Marble 2000 (I'd reduce it with Lview or PhotoShop until you can see the moon on your desk.) (Small Version) Credit: NASA/ GSFC/ NOAA/ USGS - Explanation: This newly released digital portrait of our planet is reminiscent of the Apollo-era pictures of the "big blue marble" Earth from space. To create it, researchers at Goddard Space Flight Center's Laboratory for Atmospheres combined data from a Geostationary Operational Environmental Satellite (GOES), the Sea-viewing Wide Field-of-view Sensor (SeaWiFS), and the Polar Orbiting Environmental Satellites (POES) with a USGS elevation model of Earth's topography. Stunningly detailed, the planet's western hemisphere is cast so that heavy vegetation is green and sparse vegetation is yellow, while the heights of mountains and depths of valleys have been exaggerated by 50 times to make vertical relief visible. Hurricane Linda is the dramatic storm off North America's west coast. And what about the Moon? The lunar image was reconstructed from GOES data and artistically rescaled for this visualization.Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA) NASA Technical Rep.: Jay Norris. Specific rights apply. A service of: LHEA at NASA/GSFC & Michigan Tech. U. Lava River - Where once stood a forest a few weeks earlier, a river of lava makes its way down the side of Kilauea Volcano. This is a very temporary scene, as a crust quickly forms on the surface of the lava forming a tube, which insulates the lava. Lava from Kilauea Volcano pours into the Pacific Ocean, exploding as it enters the water. Hawaii Volcanoes - the Photography of G. Brad Lewis - PhotoTripUSA. Sunset - Ruby Beach Olympic National Park, WA With a unique combination of glacier clad mountain peaks, low elevation temperate rain forests and some of the most remote stretches of wilderness beach in the lower 48, Olympic National Park contains unparalleled scenic diversity. As a sunset symbolizes the end of the day, I chose this image of a sunset from Ruby Beach to conclude this Showcase. Thank you for stopping by, I hope you enjoyed this exhibit and that it inspires you to visit your National Parks and support legislation and park policy that will further protect and preserve these very special places for the enjoyment of our children and grand children. National Parks of the West - by Kerry L. Thalmann , PhotoTripUSA. Supernova Remnant E0102-72 from Radio to X-Ray Credit: X-ray (NASA/CXC/SAO); optical (NASA/HST); radio: (ACTA) Explanation: Not all stars form a big Q after they explode. The shape of supernova remnant E0102-72, however, is giving astronomers a clue about how tremendous explosions disperse elements and interact with surrounded gas. The above image is a composite of three different photographs in three different types of light. Radio waves, shown in red, trace high-energy electrons spiraling around magnetic field lines in the shock wave expanding out from the detonated star. Optical light, shown in green, traces clumps of relatively cool gas that includes oxygen. X-rays, shown in blue, show relatively hot gas that has been heated to millions of degrees. This gas has been heated by an inward moving shock wave that has rebounded from a collision with existing or slower moving gas. This big Q currently measures 40 light-years across and was found in our neighboring SMC galaxy. Perhaps we would know even more if we could buy a vowel. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA) NASA Technical Rep.: Jay Norris. Specific rights apply. A service of: LHEA at NASA/ GSFC & Michigan Tech. U. Aurora in Red and Yellow Credit & Copyright: Jan Safar (Brno Observatory) Explanation: The past week brought some spectacular aurora to northern skies. These aurorae were caused by a large interplanetary shock wave that exploded from the Sun on April 4. When the shock wave reached the Earth on April 6, the resulting aurora could be seen in clear skies as far south as North Carolina. As the aurorae occurred high in the Earth's atmosphere, they were accompanied by an unusual alignment of planets far in the background. Pictured above that night, an unusual multicolored auroral display graced the skies above the domes of the Brno Observatory in the Czech Republic. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)NASA Technical Rep.: Jay Norris. Specific rights apply. A service of: LHEA at NASA/GSFC & Michigan Tech. U. Sand Dunes Death Valley National Park, CA - Death Valley is a land of extremes. Elevation in the park ranges from -282 feet at Badwater, the lowest point in the western hemisphere, to 11,049 feet at the summit of Telescope Peak. In the Summer, temperatures at the park's lower elevations often top 120 degrees, with a North American record of 134 degrees recorded on July 10, 1913. Death Valley is also a vast area of stark beauty. It has long been a popular tourist destination, but Death Valley has only recently gained National Park Status. On October 31, 1994, the boundaries of Death Valley National Monument were expanded to enclose over 3.3 million acres and the name was officially changed to Death Valley National Park, thus creating the largest US National Park outside of Alaska. Death Valley has several dune fields. This image was taken as the first rays of morning light grazed the dunes near Stovepipe Wells. Celebrating Hubble With NGC 6751 Credit: A. Hajian (USNO) et al., Hubble Heritage Team (STScI/ AURA), NASA Explanation: Planetary nebulae do look simple, round, and planet-like in small telescopes. But images from the orbiting Hubble Space Telescope have become well known for showing these fluorescent gas shrouds of dying Sun-like stars to possess a staggering variety of detailed symmetries and shapes. This composite color Hubble image of NGC 6751 is a beautiful example of a classic planetary nebula with complex features and was selected to commemorate the tenth anniversary of Hubble in orbit. The colors were chosen to represent the relative temperature of the gas - blue, orange, and red indicating the hottest to coolest gas. Winds and radiation from the intensely hot central star (140,000 degrees Celsius) have apparently created the nebula's streamer-like features. The nebula's actual diameter is approximately 0.8 light-years or about 600 times the size of our solar system. NGC 6751 is 6,500 light-years distant in the constellation Aquila. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA) NASA Technical Rep.: Jay Norris. Specific rights apply. A service of: LHEA at NASA/ GSFC & Michigan Tech. U. |
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