Tag Archives | Comet C/2012 S1 (ISON)

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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Comet 2013 A1 (Siding Spring) orbit

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…

“Will Comet ISON fizzle … or sizzle?”

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Comet C/2012 S1 Oct04 2012

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 as more…

“comets are like cats: they have tails, and do whatever they want to do”

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Comet C/2012 S1 Oct04 2012

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 tenth more…