The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on Sept. 12. It stretched to 10.05 million square miles, the ninth largest ozone hole on record. Above the South Pole, the ozone hole reached its deepest point of the season on Oct. 9, tying this year for the 10th lowest in this 26-year record.
This I found on Tom’s Astronomy blog. Got to love the image. Saturn has so many moons it is hard to keep track of them all. What I like about this image is its clarity, the patterning on the moons surface and the light and shadow effects.
Centauri Dreams is reporting on a hyperactive comet. Comet off gasings occurs as comets move toward the sun. As the various volatiles are heated by the sun energy they move from a frozen state to a gaseous state. Sometimes the off gasings can be quite energetic. This article looks at the comet Hartley 2 an provide analysis of the results of the flyby which occurred last fall. The results come from a paper published in journal Science.