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Today’s Astronomy Picture of the Day is really interesting: a picture taken in Latvia showing some strange light effects in the sky. The source of these weird pillary features is not clear, but the caption mentions something to do with ice crystals that are known to do some exotic looking things with light.
If you have a theory you can discuss it on this discussion board. Check out more pictures here.
Image credit: Aigar Truhin
A paper was posted to astro-ph today entitled: “The HYPERMUCHFUSS Campaign — an undiscovered high velocity population”.
HYPERMUCHFUSS?! Seriously.
I’ve been doing this blogging thing for a while now. I wasn’t sure how the experiment would turn out – but I’m actually enjoying myself on here. Which brings me to the name of my blog. I always intended to change it at some point but never got round to it. But then the folks over on Cosmic Variance came up with a whole list of cool blog names aimed to aspire to a wider audience than just wanting to read about astronomy. I wish I’d had their inspiration 6 months ago: [Read more...]
[youtube=http://www.youtube.com/watch?v=VunToqmW9so]
The 213th American Astronomical Society meeting started this week over in Long Beach and there’s lots of cool astronomy to report!
Take a look at this amazing video of supernova remnant Cassiopeia A, compiled from X-ray observations with space observatory Chandra, spanning 8 years. Cas A was one of Chandra’s very first targets, and by watching the images evolve over time scientists have been able to determine the expansion velocity of the hot expanding blast wave.
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