Archive for August 9th, 2017:

A year in ozone over the South Pole

Media captionThe visualisation runs from January to December 2016 This colourful video tracks the behaviour of the ozone layer over Antarctica across all of 2016. It shows clearly the annual “hole” that appears above the South Pole in the austral springtime, and which last year grew to about 23 million sq km (9 million sq

(Read More…)

James Webb: Telescope’s giant origami shield takes shape

Image copyright Northrop Grumman Corp Image caption The shield’s dimensions are 21.2m by 14.2m. Its five layers are made from a polyimide film known as kapton coated with aluminium It is the size of a tennis court and next year it will go into orbit as part of the most sophisticated space telescope ever built.

(Read More…)

‘Unusual’ Greenland wildfires linked to peat

Image copyright Deimos Imaging, an UrtheCast Company Image caption Smouldering fires in Greenland are believed to be burning peat New images have been released of wildfires that continue to burn close to the Greenland ice sheet, on the country’s west coast. Fires are rare on an island where 80% of the land is covered by

(Read More…)

© Warren Fyfe