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Space
Earth-Size Tsunamis Ripple Across the Sun's Surface
cosmosmagazine.com — Observations from NASA's STERO space probes have confirmed that vast 'solar tsunamis', taller than the Earth itself, ripple across the Sun for millions of kilometres. The one the STEREO probes recorded reared up to 100,000 km in height, and raced outward at 900 km/h packing as much energy as 2,400 megatons of TNT. (Submitted by brazilianwinter) More…
4 Wildly High-Tech Army & NASA Research Projects [w/ Video]
popularmechanics.com — The Redstone Arsenal is an engineers' playground. The massive base hosts NASA and Army researchers involved in spacecraft and weapons-systems testing,from moonbound rockets to America's Army video-game development. Here are 4 research tests that highlight the scope of science and engineering that is performed every day within this secured location. (Submitted by RandomEyes) More…
Making Rocket Science A Career Move
space-travel.com — Los Angeles CA (SPX) Nov 25, 2009 - A nondescript sign along an anonymous road east of Dallas announces the location of bustling and urbane Caddo Mills Municipal Airport (former home of Southwest Soaring, phone number now obscured by time or paint). A passing traveler might overlook the large white hangar with the doors wide enough to admit the rea (Submitted by winslet21) More…
All-Sky Milky Way Panorama
apod.nasa.gov — If you could go far away from the Earth and look around the entire sky -- what would you see? Such was the goal of the All-Sky Milky Way Panorama 2.0 project of Axel Mellinger. Presented above is the result: a digital compilation of over 3,000 images comprising the highest resolution digital panorama of the entire night sky yet created. (Submitted by compressedaudio) More…
The Milky Way bulges with cannibalized corpses!
blogs.discovermagazine.com — Why do spiral galaxies have central bulges? Some are bigger, some smaller, but pretty much every spiral galaxy we see has a roughly spherical puffy bulge of stars in its core (like in the edge-on spiral NGC 4565, shown here to the right). This downtown region of a galactic city is a bit mysterious. It contains old stars, very little gas... (Submitted by IVAN3MAN) More…
Cassini's big sky: View from the center of our solar system
sciencedaily.com — NASA's Cassini spacecraft is helping to rewrite our understanding of the shape of our solar system as it moves through the local Milky Way galaxy. Previous models pictured our solar system as having a comet-like appearance. The new results suggest a picture more like a bubble. (Submitted by HumanistRuth) More…
Martian meteorite surrenders new secrets of possible life
spaceflightnow.com — Compelling new data that chemical and fossil evidence of ancient microbial life on Mars was carried to Earth in a Martian meteorite is being elevated to a higher plane by the same NASA team which made the initial discovery 13 years ago. (Submitted by reticulate) More…
Big Bang WHAT?!?
fora.tv — The two towering achievements of modern physics are quantum theory and Einstein's general theory of relativity. Together, they explain virtually everything about the world in which we live. But almost a century after their advent, most people haven't the slightest clue what either is about. Radio astronomer, award-winning writer and broadcaster Mar (Submitted by Hedgie1) More…
A Multilingual on-line Dictionary of Astronomical Concepts
arxiv.org — On the occasion of the International Year of Astronomy (IYA2009), we present a new interactive dictionary of astronomy and astrophysics, which contains about 7000 entries. This interdisciplinary and multicultural work is intended for professional and amateur astronomers, university students in astrophysics, as well as terminologists and linguists. (Submitted by cantoral) More…
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