Tag Archives | Science

Solar Dynamics Observatory: Year 4

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Four years after its work began, and following last year’s three years in three minutes, Nasa have released another wondrous short video of a year of selected solar activity as viewed by the Solar Dynamics Observatory. Video via Nasa Goddard.  Full-screen viewing recommended.  Stunning. [Credit: NASA Solar Dynamics Observatory. Music: Stella Maris courtesy of Moby Gratis] The sun more…

“an unforgettable journey across the Red Planet.”

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Curiosity may have been on the surface of Mars for over a year, but ESA’s Mars Express has been in orbit around the Red Planet for almost a decade.  It’s one of a number of ways Mars is being observed, up close and personal.  And, like the Hi-RISE camera on Nasa’s Mars Reconnaissance Orbiter, Mars Express has some specialised instruments more…

Time-lapse: Earth

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As the Guardian’s GrrlScientist says, “Wow. Just wow.”  And, “Oh, I recommend “full screen” mode.” Indeed. Adds – If you watch closely you can see Ireland and the UK pass underneath at around 2mins 30secs in. Time-Lapse | Earth from Bruce W. Berry Jr on Vimeo. Video credits Music: “Manhatta” composed and performed by The more…

A year of Curiosity

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One year ago, after “seven minutes of terror“, Nasa’s Mars Science Laboratory, the 900kg rover Curiosity, landed safely on the Red Planet and was soon taking a look around.   [Image Credit: NASA/JPL-Caltech/Malin Space Science Systems]  Full image and caption here. This scene combines seven images from the telephoto-lens camera on the right side of the Mast Camera more…

“There’s no place like home…”

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I didn’t ‘Wave at Saturn’ on 19 July when the Cassini probe, orbiting the gas giant, was taking a high-definition image of the view back home.  I don’t think it encouraged a proper sense of perspective…  But the resultant image is stunning. [Image Credit: NASA/JPL-Caltech/Space Science Institute] It’s not the first time Cassini has looked home.  Nor more…

Three Years of SDO Data – Narrated

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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 Young. more…

Solar Dynamics Observatory: Three years in three minutes

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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 During more…

Comet 2013 A1: Rendezvous with Mars…

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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 on more…

The ALMA Inauguration

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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: Martin more…

“It was a meteor strike–the most powerful since the Tunguska event of 1908″

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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 was more…

“President Vladimir Putin said he thanked God no big fragments had fallen in populated areas.”

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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) wide more…

Pope Benedict XVI: “with full freedom I declare that I renounce the ministry of Bishop of Rome”

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For anyone seriously concerned with his “legacy”, the surprise announcement by Pope Benedict XVI, of his intention to renounce the ministry of Bishop of Rome “as from 28 February 2013, at 20:00 hours”, deserves a more considered approach.  For example, following on from his initial response, at the Telegraph Blogs Damian Thompson reproduces the Catholic more…

Further Up Yonder

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Stunning views of the Earth accompany this seasonal message from the crew of the International Space Station.

“In Saturn’s Shadow” – redux

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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 Saturn, more…

Titan’s Nile River Valley

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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, the more…

Black Marble Earth

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As the BBC’s Spaceman, Jonathan Amos, notes This [above] spectacular night-time view of Earth is called Black Marble. It has been assembled from a series of cloud-free images acquired by one of the most capable satellites in the sky today – the Suomi spacecraft. Here is the associated, wondrous, video from Nasa Explorer This view of Earth more…

“damn, what a sky…” – redux

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[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 past more…