Monday, November 10, 2014

Canadian SciSat Finds a Delay in Ozone Recovery from The Globe...





Canadian SciSat Finds a Delay in Ozone Recovery


from The Globe and Mail: Ozone-destroying chemical making comeback


Good news, bad news:


bad news: changes in circulation are causing “old” air with high levels of ozone-destroying hydrogen chloride to persist in the stratosphere, slowing ozone recovery due to CFCs.


good news: the Canadian SCISAT made the measurements that enabled this study, yet another success from this mission. Congratulations to Profs. Kaley Walker, Tom McElroy, Peter Bernath and the SCISAT team.


more on SCISAT from the Canadian Space Agency


via https://dayone.me/10rczmL





Thursday, October 30, 2014

Changing Luminosity in Saturn’s Rings Kudo to Crow Shannon, a...





Changing Luminosity in Saturn’s Rings


Kudo to Crow Shannon, a co-author in a recent study published in Icarus about the changing luminosity of Saturn’s F ring. This exciting research story was recently reported in the LA Times. You can read the article here.


OK Shannon now it is time to go back to the chaos at Echo Base ;-)


Image Credit: NASA/JPL-Caltech/SSI


via https://dayone.me/Ys1zXQ





Monday, August 4, 2014

The Crows at Summer Camp


The Crows at Summer Camp on Flickr.
the young crows recently enjoyed a week at the Connaught Summer Institute in Arctic Science.




Saturday, June 14, 2014

A Vertical Sundial

The photo below shows a new take (for me) on the a sundial, mounted vertically on a building instead of horizontally. You can see from the shadow that is was around noon. Also indicated (I think) are zodiacal positioning, at least that’s what the symbols looked like. And to top it off look carefully and you can see that now only did a Crow snap the picture, a Crow posed in it!


Location: Murtenhof, Mürten, Switzerland

Tuesday, June 10, 2014

#xkcd "How Big a change is a That?"

This is what Crows worry about. It appears it is going to be that big.