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What is altitude?
by PL is on vacation right now on November 14th, 2010
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What altitude is too high for contrails to form?
by Astro17 on May 17th, 2010
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Is it true that gold can fix the Ozone layer ?
by Bee4 on July 25th, 2010
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Would something entering earth's atmosphere at very high velocities catch on fire (like a meteor)? If so, why?
by Darkskeletonx on June 12th, 2011
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How many kinds of Atmospheric circulation do we have?
by exboy on August 12th, 2011
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You're reading How big is the hole in the Earth's ozone layer?
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Thanks, peter b, for the info and the links. Nice graphic, too. Very helpful.
by Jodie44 on October 19th, 2006
I just have to point out something here. Note that the scale on the illustration does not go down to zero. The reason it does not go that low is because there has never been a time at which ozone levels have gone that low. That being the case, it is inaccurate to describe this phenomenon as a "hole". It is not. It is just a thinning of the ozone layer.
by Glenn Blaylock on November 11th, 2008