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Scoop.it!
The observations of the quasar's accretion disc – the glowing disc of matter that has been heated up as it is sucked into the central black hole – have revealed unique details of its size and temperature, observations that were only made possible using the gravitational lensing technique. This method relies on stars in an intervening galaxy located between the space telescope and the distant black hole magnifying light streaming from the quasar. 
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Scoop.it!
The hole over the Arctic now rivals the one over the Antarctic, where a hole has formed in the ozone layer every spring since the 1980s.
Celest Ybarra's curator insight,
March 30, 2014 6:41 PM
Title: On Our Radar: Gaping Hole in Artic Ozone Author: New York Times Main Idea: Due to the serious amount of damage, a hole has formed in the ozone layer over the Arctic Summary: 1) For the first time since record-keeping began, destruction of the ozone layer over the Arctic in early 2011 was comparable to that in the Antarctic ozone hole 2) This hole forms every spring and threat animal life 3) European Union’s plan to make foreign carriers start paying for their pollution Opinion: No, it was factual Question: How serious is the damage? Does the whole affect the Earth's climate in any way? Is this article important to science?: Yes, because it informs us on the destruction of our ozone layer Source: http://green.blogs.nytimes.com/2011/10/03/on-our-radar-gaping-hole-in-arctic-ozone/ |
