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 A before and after animation of Supernova 2010lt. Credit: Dave Lane A ten-year old girl from Canada has discovered a supernova, making her the youngest person ever to find a stellar explosion. The Royal Astronomical Society of Canada announced the discovery by Kathryn Aurora Gray of Fredericton, New Brunswick, (wonderful middle name!) who was assisted by astronomers Paul Gray and David Lane. Supernova 2010lt is a magnitude 17 supernova in galaxy UGC 3378 in the constellation of Camelopardalis, as reported on IAU Electronic Telegram 2618. The galaxy was imaged on New Year’s Eve 2010, and the supernova was discovered on January 2, 2011 by Kathryn and her father Paul. (...)
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© nancy for Universe Today, 2011. | Permalink | 3 comments | Add to del.icio.us
Post tags: supernova
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 7 years on Mars for Spirit and Opportunity. Poster by Glen Nagle. Click for access to downloadable versions. Today, January 3, 2011, is the 7th anniversary of the Spirit rover landing on Mars. In their tradition, Glen Nagle and Stu Atkinson from Unmanned Spaceflight have teamed up to create a poster and poem combo to celebrate. The poster includes scenes from both Spirit's and Opportunity's adventures – Glen and Stu challenge you to see how many places you can name. Click on the images or visit Glen’s Astro0 website for higher resolution versions that you can download to print a poster or use for wallpaper. And happy anniversary to the Mars Exploration Rovers and their science and engineering teams!
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© nancy for Universe Today, 2011. | Permalink | No comment | Add to del.icio.us
Post tags: Mars, Mars Exploration Rovers, Unmanned Spaceflight
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 Wanahani outlook at Santa Maria Crater- Next stop Yuma.
Opportunity took this panaromic mosaic from "Wanhani" just meters from the crater rim on Dec 29, 2010 (Sol 2464). Note rover tracks near rim at left, relatively clean solar panel at right and numerous ejecta rocks. The rim is inclined roughly 5 degrees here. CRISM mapper results suggest water bearing materials are located at the southeastern edge of the crater rim, nicknamed Yuma. Portions of distant Endeavour Crater are faintly visible as bumps on the horizon in the background. Mosaic Credit: NASA/JPL/Cornell, Ken Kremer, Marco Di Lorenzo A robot from Earth is celebrating New Years on Mars by snapping another amazing set of "Postcards from the Edge" while perched near the sharp edge of a crater cliff on the red planet. NASA's Opportunity rover is now stationed just meters away from a new precipice at the stunningly beautiful crater named Santa Maria. The twin rovers mark their 7th anniversary on Mars this week. See martian postcard mosaics above and below. Craters expose the hidden history of Mars and permit scientists a path to explore the past geologic epochs which otherwise would remain buried and inaccessible.(...)
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© Ken Kremer for Universe Today, 2011. | Permalink | 7 comments | Add to del.icio.us
Post tags: Mars, Mars Rovers, NASA
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 The signatures of a bubble collision at various stages in our analysis pipeline. A collision (top left) induces a temperature modulation in the CMB temperature map (top right). The "blob" associated with the collision is identied by a large needlet response (bottom left), and the presence of an edge is determined by a large response from the edge detection algorithm (bottom right). (Feeny, et al.) In the realm of far out ideas in science, the notion of a multiverse is one of the stranger ones. Astronomers and physicists have considered the possibility that our universe may be one of many. The implications of this are somewhat more fuzzy. Nothing in physics prevents the possibilities of outside universes, but neither has it helped to constrain them, leaving scientists free to talk of branes and bubbles. Many of these ideas have been considered untestable, but a paper uploaded to arXiv last month considers the effects of two universes colliding and searches for fingerprints of such a collision of our own universe. Surprisingly, the team reports that they may have detected not one, but four collisional imprints. (...)
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© jvois for Universe Today, 2011. | Permalink | 20 comments | Add to del.icio.us
Post tags: Cosmology, inflation
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 A technician begins to remove thermal sensors and foam insulation from space shuttle Discovery's external fuel tank in the Vehicle Assembly Building. Photo Credit: NASA/Frank Michaux Discovery's woes deepened this week with NASA engineers finding even more cracks in the orbiter's external tank. The first crack was noted shortly after a leak was discovered on the Ground Umbilical Carrier Plate (GUCP) Nov. 5. After the first crack was found, technicians found a second and then a third. NASA found the crack on support beams dubbed 'stringers' around the intertank region of the tank. They applied what is known in the business as a doubler, a section of metal that is twice as thick as the original – this is done to strengthen the affected area. (...)
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© Jason Rhian for Universe Today, 2011. | Permalink | 2 comments | Add to del.icio.us
Post tags: Space Shuttle, Space Shuttle Discovery, STS-133
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