Telescopes
“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 »
The ALMA Inauguration
Tweet As the BBC reported on Wednesday, having opened its eyes in 2011, and with 57 of its 66 antennas now ready to receive data on the Chajnantor Plateau in the Atacama desert, Chile, the Atacama Large Millimetre/Sub-millimetre Array (ALMA) was officially inaugurated on March 13. Here’s the associated ESOcast 55: The ALMA Inauguration. Credit: ALMA (ESO/NAOJ/NRAO). Editing: [...] 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 »
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 »
“damn, what a sky…” – redux
Tweet [Image credit: ESO/Y. Beletsky] Another stunning time-lapse video of the wondrous night sky above the European Southern Observatory’s Very Large Telescope [VLT] array on top of Cerro Paranal in Chile’s Atacama Desert. This time presented as ESO Cast 50: Chile Chill 1. [Marvel at the solar system in motion... - Ed] Or, indeed, the galaxy. Stay with it [...] more »
“We stared at this patch of sky for about 22 days…”
Tweet As the BBC’s spaceman, Jonathan Amos, notes, the Hubble Space Telescope team have released an updated version of their stunning Ultra Deep Field image – the eXtreme Deep Field (XDF) – and they have seen further than ever. [Image credit: NASA, ESA, G. Illingworth, D. Magee, and P. Oesch (University of California, Santa Cruz), R. Bouwens (Leiden University), and [...] more »
Dwarf Planet Gains Fifth Moon…
Tweet Not that it didn’t already have five moons. At least. ANYhoo… As I was saying this time last year, when Hubble spotted a fourth moon orbiting Pluto. The Hubble Space Telescope has been looking at the twin dwarf planet system of Pluto and Charon ahead of Nasa’s New Horizons mission expected arrival in the [...] more »
Transit of Venus 2012: The Movie
Tweet Were your skies not favourable for viewing? Did you miss the live online coverage of the last transit of Venus until 2117? Well, there’s a Flickr group. Or you could take in the stunning views from Nasa’s Solar Dynamics Observatory. Video from NasaExplorer. [Credit: Data courtesy of NASA/SDO, HMI, and AIA science teams]. Enjoy! [...] more »
Transit of Venus 2012: “marvel at the solar system in motion”
Tweet As I mentioned back in March, tonight one of the rarest predictable astronomical events will occur – a transit of Venus. [I'm washing my hair! - Ed] What hair? ANYhoo… Since the invention of the greatest human innovation, the telescope, at the beginning of the 17th century, not by Galileo, there have been only 7 [...] more »
“A billion stars revealed”
Tweet A stunning image was unveiled last week at the UK-Germany National Astronomy Meeting NAM2012 in Manchester. [All images courtesy of Mike Read (WFAU), UKIDSS/GPS and VVV] The BBC’s Spaceman, Jonathan Amos, helpfully provides this combination image, with a partial zoom-in on the Galactic center. But to really appreciate the scale and detail of the image [...] more »
“…and marvel at the solar system in motion”
Tweet Here’s a date to mark in your diary [really? - Ed]. On the 5/6 June this year one of the rarest predictable astronomical events will occur – a transit of Venus. [Can't wait... - Ed] Since the invention of the greatest human innovation, the telescope, at the beginning of the 17th century, not by [...] more »
The Universe at a glance…
Tweet Well, several glances actually… As spotted by the Guardian blog’s Tom McCarthy, NASA has released a new atlas and catalog of the entire infrared sky “showing more than a half billion stars, galaxies and other objects captured by the Wide-field Infrared Survey Explorer (WISE) mission.” And an impressive view it is. [Image Credit: NASA/JPL-Caltech/UCLA] [...] more »
Stargazing, and [exo]planet hunting…
Tweet The last three nights saw the return to BBC2 of popular astronomy show Stargazing Live – presented by Brian Cox and Dara O’Briain. Hopefully it will become, at least, an annual fixture. [Image credit: ESO/Y. Beletsky] The three hour-long programmes are still available, for now, on the iPlayer. The entertaining ‘after-show’ shows, Back to Earth, appears [...] more »
Sleigh Ride over the Red Planet
Tweet A short seasonal diversion from JPLnews, using images of the real landscapes of Mars taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter. more »
Kepler-22b: “This is a major milestone on the road to finding Earth’s twin”
Tweet By the time its last catalogue of exoplanet candidates was released in February, Nasa’s Kepler space observatory, launched in March 2009, first light in April 2009, had identified 1,235 planetary candidates – and 54 candidates within the habitable zone. The Kepler team have now identified 2,326 planet candidates – of those, 207 are approximately Earth-size, 680 are super [...] more »
“An aircraft carrier-sized asteroid will make a safe, close flyby of Earth…”
Tweet If the calculations are correct, the 400m-wide asteroid 2005 YU55 will make a safe, close flyby of Earth at around half past eleven tonight (11.28pm GMT). [If?! - Ed] If not, we’ll have a wondrous new scar to boast about! Radar image of asteroid 2005 YU55 obtained on Nov. 7, 2011, at 11:45 a.m. PST (2:45 [...] more »
ALMA opens its eyes
Tweet As the BBC report, and see here also, the European Southern Observatory (ESO) have released the first image obtained by their new telescope, the Atacama Large Millimetre/Sub-millimetre Array (ALMA) – even though the array isn’t expected to be completed until 2013. It’s the focus of the latest ESOcast 36 – ALMA opens its eyes. And here’s [...] more »
Of proto- [and exo-] planets. And falling satellites…
Tweet Nasa’s Dawn spacecraft remains in orbit around the 530km-wide proto-planet Vesta – the second most massive object in the main asteroid belt. And they’ve released this cool video constructed from the images they’ve obtained so far. Via JPLnews Here’s an image of the south pole of Vesta from a distance of about 1,700 miles (2,700 kilometers). [Image [...] more »
“a special perspective of our role and place in the universe…”
Tweet Three weeks into its journey to our friend and lord, Jupiter, Nasa’s Juno spacecraft has taken a look back at its home planet [on the left] and its natural satellite, the Moon. [Image credit: NASA/JPL-Caltech] From the Nasa press release “This is a remarkable sight people get to see all too rarely,” said Scott Bolton, [...] more »
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Books
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Johnston McMaster’s Overcoming Violence – Book Review
Tweet In his latest book, Overcoming Violence: Dismantling an Irish History and Theology – An Alternative Vision (Columba, 2012), Rev Dr Johnston McMaster offers a challenge to everyone living on this island: Entering into the increasingly talked about ‘decade of commemorations,’ how might we remember our painful past together, in order that we might walk [...] read our review » -
Ian O’Riordan’s Miles to Run: An invitation to madness?
Tweet Ireland is in the middle of a boom – a running boom. Chances are, even if you have never run a step yourself (apart from some painful P.E. classes many moons ago), someone you know has taken up running over the last little while. Road races in Northern Ireland and in the Republic have [...] read our review »
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Learning from 1798?: Northern Ireland’s Upcoming Decade of Commemorations
Tweet Last year, the Lilliput Press released a new extended edition of Tom Dunne’s Ewart-Biggs Memorial Prize winning book, Rebellions: Memoir, Memory and 1798. First published in 2004, Dunne’s book provoked considerable controversy with its critique of the ‘commemorationist’ history that Dunne believed dominated the 1998 commemorations of the 1798 Rebellion. The book blasted the [...] read our review »
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