There's a hole in the sun's corona. But don't worry — that happens from time to time.
"A coronal hole is just a big, dark blotch that we see on the sun in our images," says Dean Pesnell, project scientist for NASA's Solar Dynamics Observatory. "We can only see them from space, because when we look at them [through] a regular telescope, they don't appear."
Originally published on Thu September 26, 2013 1:30 pm
Harmonica master James Cotton is a giant of the blues. Born in 1935 on a cotton plantation in Tunica, Miss., he learned the instrument from Sonny Boy Williamson, who had a radio program right across the river in West Helena, Ark. After listening to the show and imitating him on a harmonica, Cotton met Williamson, who took him under his wing.
At 15, Cotton met and played with Howlin' Wolf, who took him to record at Sun Studios in Memphis. Later, while on tour, Muddy Waters asked Cotton to replace Junior Wells in his band; Cotton stayed on the road with Waters for a dozen years.