Solar System
Three Years of SDO Data – Narrated
Tweet If you enjoyed the recent video from Nasa’s Solar Dynamics Observatory (SDO) - “Three years in three minutes” – but would have liked more of an explanation of what was going on with our own local star… here it is again! This time, though, extended, and narrated by NASA’s Goddard Space Flight Center heliophysicist Alex [...] more »
“A major difference between the hurricanes is that the one on Saturn is much bigger…”
Tweet As I mentioned previously, Saturn doesn’t get the love some of our other gas giants do. [All hail our friend and lord, Jupiter! Keeping Ogdy at bay… - Ed] Indeed… [new link] But, with the help of Cassini, Saturn does provide some wondrous images. In some of its first sunlit images of Saturn’s north pole, Cassini has looked [...] more »
Solar Dynamics Observatory: Three years in three minutes
Tweet What it says on the tin. Three years after First Light, Nasa’s Solar Dynamics Observatory (SDO) has released three stunning minutes of images compiled during its virtually unbroken coverage of the sun’s rise toward solar maximum. Enjoy! [Video from NasaExplorer on YouTube. Credit: NASA's Goddard Space Flight Center/SDO] As they note in the associated text [...] more »
Comet 2013 A1: Rendezvous with Mars…
Tweet Here’s something to think about whilst waiting to see if Comet ISON will fizzle, or sizzle. The latest Science at Nasa video looks at the trajectory, and consequences for Mars missions, of Comet 2013 A1 (Siding Spring). Discovered as recently as 3 January this year, this Oort cloud object will pass “extraordinarily close” to the planet Mars [...] more »
“It was a meteor strike–the most powerful since the Tunguska event of 1908″
Tweet ScienceAtNasa has a sobering video on the latest information about the visitation by the god Ogdy unexpected meteor strike in the Chelyabinsk region of Russia on 15 February. Video credit: ScienceAtNasa. From the accompanying ScienceAtNasa press release The Russian meteor’s infrasound signal was was the strongest ever detected by the CTBTO network. The furthest station to record the sub-audible sound [...] more »
“President Vladimir Putin said he thanked God no big fragments had fallen in populated areas.”
Tweet As I mentioned previously, asteroid 2012 DA14 is due to make its close encounter with Earth later this evening. Meanwhile, earlier today several hundred people in the Chelyabinsk region of Russia were injured during a visitation by the god Ogdy by debris caused by the unexpected appearance of a relatively large meteor. It’s reported that a crater 6m (20ft) [...] more »
“Will Comet ISON fizzle … or sizzle?”
Tweet Science at Nasa has a great assessment of the potential for Comet C/2012 S1 (ISON) to become the ‘Comet of the Century’. Worth watching. Just remember – “comets are like cats: they have tails, and do whatever they want to do.” But as the Science at Nasa assessment notes “Comet ISON is probably at least twice [...] more »
“comets are like cats: they have tails, and do whatever they want to do”
Tweet In the BBC’s science news preview of 2013, reporter Jason Palmer highlights a couple of astronomical events worth keeping an eye out for. In mid-February we will get another reminder we live in a (potentially) violent cosmos – asteroid 2012 DA14 will make a harmless but attention-grabbing pass near the Earth, at a distance just a [...] more »
Further Up Yonder
Tweet Stunning views of the Earth accompany this seasonal message from the crew of the International Space Station. more »
“In Saturn’s Shadow” – redux
Tweet Saturn doesn’t get the love some of our other gas giants do. [All hail our friend and lord, Jupiter! Keeping Ogdy at bay… - Ed] Indeed. But, with the help of Cassini, Saturn does provide some wondrous images. [Image Credit: NASA/JPL-Caltech/Space Science Institute]. From the image’s associated text NASA’s Cassini spacecraft has delivered a glorious view of [...] more »
Titan’s Nile River Valley
Tweet Fascinating image from Nasa’s Cassini probe at Saturn, where we’ve previously watched the weather on Titan. [Image credit: NASA/JPL-Caltech/ASI.] North is to the right in this view. From the JPLnews press release “Titan is the only place we’ve found besides Earth that has a liquid in continuous movement on its surface,” said Steve Wall, [...] more »
Jupiter swallows an asteroid – redux
Tweet As Space Weather notes Around the world, amateur astronomers have been scanning the cloudtops of Jupiter for signs of debris from an explosion witnessed by Dan Peterson and George Hall on Sept. 10th. So far the cloud layer is blank. “Several observers have now obtained excellent images on the second and third rotations after [...] more »
“Thrust is engaged, and we are now climbing away from Vesta atop a blue-green pillar of xenon ions”
Tweet Having arrived at the 530km-wide giant asteroid Vesta in July 2011, in May this year Nasa’s Dawn Mission scientists published some of their findings. Now Dawn’s ready to head out on the next leg of its journey - Destination [the even larger protoplanet (dwarf planet)] Ceres, ETA 2015. From the JPL press release “Thrust is engaged, and we are [...] more »
“This is an area on Mount Sharp where Curiosity will go”
Tweet More wondrous images from Nasa’s mobile Mars Science Laboratory (MSL), the 900kg rover Curiosity, now safely on the Martian surface in Gale Crater. And it’s only warming up its instruments. Here’s a panaroma of the landing site and the prime mission target, Mount Sharp. Focusing in on Mount Sharp… [Image credit: NASA/JPL-Caltech/MSSS] But the images that [...] more »
“the next time you walk outside on a clear night and see the moon smiling down at you, think of Neil Armstrong and give him a wink”
Tweet Private family man, engineer, US Navy fighter pilot, war veteran, civilian test pilot, astronaut, academic, businessman, reluctant hero, and the first man to walk on the moon, Neil Armstrong has died at the age of 82. Reg Turnill, who was the BBC’s aerospace correspondent at the time of the first moon landing, gives his thoughts. Nasa’s [...] more »
Curiosity drops in on Mars – in Hi-res
Tweet Nasa’s mobile Mars Science Laboratory (MSL), the 900kg rover Curiosity, may have started roving on the surface of Mars, but there’s still room for more stunning video of its descent. In high-resolution. Audio from mission control can also be heard, counting down the critical events. Video from JPL News This movie from NASA’s Curiosity [...] more »
“Curiosity will soon have a different patch of ground beneath it.”
Tweet Nasa’s mobile Mars Science Laboratory (MSL), the 900kg rover Curiosity, may have damaged one of two sets of wind sensors in its Rover Environmental Monitoring Station (REMS) during its dramatic landing on Mars, but it will still be providing daily weather reports from the Red Planet. And, as a JPL/Nasa press release noted yesterday – with moving [...] more »
Curiosity: “This is a very low-resolution panorama”
Tweet Having survived the seven minutes of terror, and landed successfully at Gale Crater, earlier this week Nasa’s mobile Mars Science Laboratory (MSL), the 900kg rover Curiosity, lifted its 2m high camera mast. And took a look at itself. [Image credit: NASA/JPL-Caltech] Then it took a look at its new surroundings. In colour. [Image credit: NASA/JPL-Caltech/MSSS] [...] more »
“Guess you could consider us the closest thing to paparazzi on Mars”
Tweet Another wondrous image from Nasa’s Mars Reconnaissance Orbiter (MRO). This time the High Resolution Imaging Science Experiment (HiRISE) camera onboard snapped the Red Planet’s “newest celebrity” – the Curiosity rover and its 51-foot-wide (almost 16 metre) parachute descending towards Gale Crater. [Image Credit: NASA/JPL-Caltech/Univ. of Arizona] From the Nasa/JPL press release “If HiRISE took the image one [...] more »
Curiosity: “I’m safely on the surface of Mars”
Tweet If you didn’t manage to catch those ‘seven minutes of terror’ earlier this morning for Nasa’s mobile Mars Science Laboratory (MSL), the massive 900kg rover Curiosity, here’s how it worked out. From NasaTelevision As the Curiosity Rover said on Twitter I’m safely on the surface of Mars. GALE CRATER I AM IN YOU!!! #MSL — [...] more »
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Books
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Books: Listening to Van Morrison…
Tweet Great little review of Listening to Van Morrison by Griel Marcus… It’s a short book, not a biography or a career survey, but an attempt to follow those moments in Morrison’s music, as he’s made it from his first records with Them, from Belfast in 1965 to the present day, when something happens that [...] read our review »
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Douglas Murray – Bloody Sunday: Truth, Lies and the Saville Inquiry, Book Review
Tweet The aftermath of the Saville Inquiry into the events around Bloody Sunday has left me, and I suspect many others, with one enduring image: Prime Minister David Cameron’s apology in the House of Commons, where he says that the actions of the British Army were ‘unjustified and unjustifiable.’ But there’s a lot more to [...] read our review » -
Against Remembrance – Seminar & Book by David Rieff
Tweet Is the best way to overcome the legacy of conflict simply to forget about it? Author and journalist David Rieff spoke on this subject last week in a seminar at the Institute for International Integration Studies (IIIS) at Trinity College Dublin. Rieff has recently written a book titled, Against Remembrance (published in Ireland by [...] read our review »
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