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 The Messier Catalog Credit: SEDS If you are new to astronomy, you may ask “what is a Messier Marathon and how do I do one?” Basically a Messier Marathon is an all night (Dusk til Dawn) observing session held around mid March/ early April every year, where an observer attempts to see all, or as many of the 110 Messier objects as listed by Charles Messier.
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Read the rest of Fancy doing a Messier Marathon this Weekend? (413 words)
© Adrian West for Universe Today, 2011. | Permalink | One comment | Add to del.icio.us
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 Officials from Israel and Russia sign a space cooperation agreement. Credit: Israeli governmental news office. The Israeli government has signed an agreement with Roscosmos, the Russian space agency, for cooperation in space for peaceful purposes. Areas where the two countries may work together are exploration and research, remote sensing of Earth from space, materials science, space biology and medicine, satellite navigation technology, and launch services. Israel also has similar agreements with NASA and the ESA.
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Read the rest of Israel and Russia Sign Space Cooperation Agreement (256 words)
© nancy for Universe Today, 2011. | Permalink | No comment | Add to del.icio.us
Post tags: israel, Roscosmos, Russia
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 The Orion Nebula from Paredón, Coah, Mexico. Credit: César Cantú This stunning new image of the Orion Nebula has a bit of salsa to it! César Cantú of the Chiledog Observatory in Monterrey, Mexico took this image earlier this month. But he had to travel to Paredón, Coah in Mexico to escape the fog to get this great image. Here are the specs: Orion Atlas mount, 90mm Astrotech APO telescope camera; LRGB QSI540, 3 hours with 600 seconds subs. But the fog tried to follow, César told us. “The intention was 4 hours, but the fog did not allow it,” he said. See more of his great images at this website, Astronomía Y Astrofotografía.
© nancy for Universe Today, 2011. | Permalink | One comment | Add to del.icio.us
Post tags: Astrophotos, Orion Nebula
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 Opportunity Rover snaps self portrait at Santa Maria Crater rim on Sol 2476, Jan 10, 2011.
Opportunity arrived at the hydrated mineral deposits located here at the southeast rim of the crater at Yuma outlook. Self portrait of Opportunity at left, casts shadow of rover deck and mast at right.
Credit: NASA/JPL/Cornell, Marco Di Lorenzo, Kenneth Kremer. Hi res on APOD, Jan. 29, 2011 NASA's long lived Opportunity Mars rover has completed a three month long exploration of Santa Maria crater along the trail towards its biggest target ever, Endeavour crater, some 22 kilometers in diameter. Santa Maria has simultaneously offered a series of stunning vistas and a scientific bonanza as a worthy way station in the rovers now seven year long overland expedition across the Martian plains of Meridiani Planum. Opportunity made landfall at the western edge of Santa Maria on Dec. 15, 2010 (Sol 2450) after a long and arduous journey of some 19 kilometers since departing from Victoria Crater nearly two and one half years ago in September 2008. Santa Maria is the largest crater that the rover will encounter on the epic trek between Victoria and Endeavour. (...)
Read the rest of Opportunity Rover Completes Exploration of fascinating Santa Maria Crater (898 words)
© Ken Kremer for Universe Today, 2011. | Permalink | 5 comments | Add to del.icio.us
Post tags: Mars, Mars Rovers, NASA, Opportunity Rover
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 The dark flow hypothesis. A region of the observable universe is being influenced by a mysterious something outside the observable universe (which we can't observe). Source: universe-review.ca The hypothetical dark flow seen in the movement of galaxy clusters requires that we can reliably identify a clear statistical correlation in the motion of distant objects which are, in any case, flowing outwards with the expansion of the universe and may also have their own individual (or peculiar) motion arising from gravitational interactions. (...)
Read the rest of Astronomy Without A Telescope – Dark Statistics (680 words)
© Steve Nerlich for Universe Today, 2011. | Permalink | 47 comments | Add to del.icio.us
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The Sun continues to be active! This movie from the Solar Dynamics Observatory starts at 11:35 UT on March 24, 2011 and goes through midnight. It shows the active area 1176 – and active it was. Several flares are visible — according to the SDO website, there are B, C and M class flares all seen in this 20 second video. See below for another movie from March 19 of a looping solar prominence eruption on the limb of the Sun.
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Read the rest of Fireworks on the Sun (67 words)
© nancy for Universe Today, 2011. | Permalink | One comment | Add to del.icio.us
Post tags: Solar Dynamics Observatory (SDO), sun
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