Black hole hums deepest note ever detected
http://www.cnn.com/2003/TECH/space/09/10/blackhole.music.reut/index.html
WASHINGTON, Sept 9 (Reuters) -- Big black holes sing bass. One
particularly monstrous black hole has probably been humming B flat for
billions of years, but at a pitch no human could hear, let alone sing,
astronomers said this week.
|