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Image Credit: HiRISE, MRO, LPL (U. Arizona), NASA Explanation: Deep shadows create dramatic contrasts between light and dark in this high-resolution close-up of the martian surface. Recorded on January 24 by the HiRISE camera onboard the Mars Reconnaissance Orbiter, the scene spans about 1.5 … Continue reading
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(Huffington Post Science) A NASA spacecraft has spotted a big gully on Mars, a feature that appears to have formed only within the last three years. The powerful HiRISE camera on NASA’s Mars Reconnaissance Orbiter (MRO) imaged the channel, which … Continue reading
Image Credit & Copyright: Michael Bolte (UCSC) Explanation: Towering 3,000 feet from base to summit, the famous granite face of El Capitan in Earth’s Yosemite National Park just hides the planet’s north celestial pole in this skyscape. Of course, the north celestial … Continue reading
Image Credit & Copyright: Maciej Zapiór and Łukasz Fajfrowski Explanation: Today is the equinox. The Sun crosses the celestial equator heading north at 16:57 UT, marking the northern hemisphere’s first day of spring. To celebrate, consider this remarkable image following the Sun’s … Continue reading
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(Huffington Post Science) After decades of searching, NASA scientists have detected the veil of dust kicked up by tiny meteoroid impacts on the moon. The Apollo astronauts and many spacecraft had tried to detect sunlight reflected from the dust and … Continue reading
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M51, whose name comes from being the 51st entry in Charles Messier’s catalog, is considered to be one of the classic examples of a spiral galaxy. At a distance of about 30 million light years from Earth, it is also one … Continue reading
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Explanation: Did the universe undergo an early epoch of extremely rapid expansion? Such an inflationary epoch has been postulated to explain several puzzling cosmic attributes such as why our universe looks similar in opposite directions. Yesterday, results were released showing … Continue reading
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CAPE CANAVERAL, Fla. (AP) — The International Space Station had to sidestep a piece of space junk. NASA said Monday the space station had to dodge part of an old satellite. Sunday night’s firing of on-board thrusters pushed the orbiting … Continue reading
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PERSONAL DATA: Born in Chicago, Illinois, March 17, 1936. One grown son. EDUCATION: Attended Florida elementary and secondary schools and is a graduate of Miami Edison High School, Miami, Florida; received a bachelor of science degree in Aeronautical Engineering from Auburn University … Continue reading
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Vanguard 1 was a small earth-orbiting satellite designed to test the launch capabilities of a three-stage launch vehicle and the effects of the environment on a satellite and its systems in Earth orbit. It also was used to obtain geodetic … Continue reading
Astro Scribbles 