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Latest Les Cowley Stories

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2011-02-11 13:51:08

Author: Dr. Tony Phillips - Science @ NASA NASA's Solar Dynamics Observatory (SDO), best known for cutting-edge images of the sun, has made a discovery right here on Earth. "It's a new form of ice halo," says atmospheric optics expert Les Cowley of England. "We saw it for the first time at the launch of SDO--and it is teaching us new things about how shock waves interact with clouds." Ice halos are rings and arcs of light that appear in the sky when sunlight shines through ice crystals in...

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2010-02-19 09:30:00

Last week, on Feb. 11th, the Solar Dynamics Observatory (SDO) lifted off from Cape Canaveral on a five-year mission to study the sun. Researchers have called the advanced spacecraft the "crown jewel" of NASA's heliophysics fleet. SDO will beam back IMAX-quality images of solar explosions and peer beneath the stellar surface to see the sun's magnetic dynamo in action. SDO is designed to amaze"”and it got off to a good start. "The observatory did something amazing before it even left the...

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2006-11-23 10:30:00

There are some things you can only see from the window of an airplane. Thanksgiving is the biggest travel holiday of the year in the United States. Millions of people board airplanes and fly long hours to visit friends and family. Dreading the trip? Think of it as a sky watching opportunity. There are some things you can see only through the window of an airplane. Atmospheric optics expert Les Cowley lists a few of his favorites: "Both sides of the aircraft have their own sights," says...

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2005-11-24 10:40:00

Thanksgiving is the biggest travel holiday of the year in the United States. Millions of people board airplanes and fly long hours to visit friends and family. NASA - Do you dread the trip? Think of it as a sky watching opportunity. There are some things you can see only through the window of an airplane. Atmospheric optics expert Les Cowley lists a few of his favorites: "Both sides of the aircraft have their own sights," says Cowley. "On the side opposite the sun, the main thing to look for...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'