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Candidate Landing Sites for Philae Lander Chosen

NASA JPL August 25, 2014 The European Space Agency’s Rosetta mission has chosen five candidate landing sites on comet 67P/Churyumov-Gerasimenko for its Philae lander. Philae’s descent to the comet’s nucleus, scheduled for this November, will be the first such landing ever attempted. Rosetta is an international mission spearheaded by the European Space Agency with support and instruments provided by NASA. ... Read More »

Cassini Sees Clouds Form Over Titan Lake

NASA JPL August 12, 2014 NASA’s Cassini spacecraft recently captured images of clouds moving across the northern hydrocarbon seas of Saturn’s moon Titan. This renewed weather activity, considered overdue by researchers, could finally signal the onset of summer storms that atmospheric models have long predicted.   CONTINUE Image credit: NASA JPL-CalTech Space Science Institute Read More »

Rosetta is Closing in on the Comet

NASA JPL July 31, 2014 Less than a week before Rosetta’s rendezvous with comet 67P/Churyumov-Gerasimenko, images obtained by OSIRIS, the spacecraft’s onboard scientific imaging system, show clear signs of a coma surrounding the comet’s nucleus. A new image from July 25, 2014, clearly reveals an extended coma shrouding 67P’s nucleus. “Our coma images cover an area of 150 by 150 ... Read More »

Rosetta’s Comet Outgassing 2 Glasses of Water Per Second

ESA June 30, 2014 ESA’s Rosetta spacecraft has found that comet 67P/Churyumov–Gerasimenko is releasing the equivalent of two small glasses of water into space every second, even at a cold 583 million kilometres from the Sun. The first observations of water vapour streaming from the comet were made by the Microwave Instrument for Rosetta Orbiter, or MIRO, on 6 June, ... Read More »

Mars Slammed by Big Meteor Impact

NASA JPL May 22, 2014 Researchers have discovered on the Red Planet the largest fresh meteor-impact crater ever firmly documented with before-and-after images. The images were captured by NASA’s Mars Reconnaissance Orbiter. The crater spans half the length of a football field and first appeared in March 2012. The impact that created it likely was preceded by an explosion in ... Read More »

Jupiter’s Moon Ganymede May Harbor Ice-Ocean Layers

NASA JPL May 01, 2014 The largest moon in our solar system, a companion to Jupiter named Ganymede, might have ice and oceans stacked up in several layers like a club sandwich, according to new NASA-funded research that models the moon’s makeup. Previously, the moon was thought to harbor a thick ocean sandwiched between just two layers of ice, one ... Read More »

Twenty-Six Asteroids Exploded Over Earth From 2000-2013

April 23, 2014 Between 2000 and 2013, a network of sensors that monitors Earth around the clock listening for the infrasound signature of nuclear detonations detected 26 explosions on Earth ranging in energy from 1-600 kilotons – all caused not by nuclear explosions, but rather by asteroid impacts. These findings were recently released from the Nuclear Test Ban Treaty Organization, which operates ... Read More »

Ocean Detected on Saturn’s Moon Enceladus

NASA JPL April 03, 2014 NASA’s Cassini spacecraft and Deep Space Network have uncovered evidence Saturn’s moon Enceladus harbors a large underground ocean of liquid water, furthering scientific interest in the moon as a potential home to extraterrestrial microbes. Researchers theorized the presence of an interior reservoir of water in 2005 when Cassini discovered water vapor and ice spewing from ... Read More »

Rosetta Spacecraft Sees Its Destination Comet

ESA March 27, 2014 ESA’s Rosetta spacecraft has caught a first glimpse of its destination comet since waking up from deep-space hibernation on 20 January. These two ‘first light’ images were taken on 20 and 21 March by the OSIRIS wide-angle camera and narrow-angle camera, as part of six weeks of activities dedicated to preparing the spacecraft’s science instruments for ... Read More »

Lava Floods the Ancient Plains of Mars

ESA March 06, 2014 Two distinct volcanic eruptions have flooded this area of Daedalia Planum with lava, flowing around an elevated fragment of ancient terrain. The images were acquired by ESA’s Mars Express on 28 November 2013 towards the eastern boundary of the gigantic Tharsis Montes volcanic region, where the largest volcanoes on Mars are found. The lava flows seen ... Read More »

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