physics4me

An Engine of Massive Star Creation?
A dark, mysterious cloud of dust (extending from the center, right) seems to flow out from a bright explosion in this false-color image in infrared light from the Spitzer Space Telescope. These views have revealed that the mystery cloud, called M17 SWex, is forming stars at a furious rate but has not yet spawned the most massive stars — O stars. To the left, on the trailing end of the dark cloud, such mammoth O stars create a dramatic contrast of brilliant light near the image’s center….
read more: http://www.dailygalaxy.com/my_weblog/2011/05/a-dark-mystery-cloud-discovered-in-milky-waya-dark-mysterious-cloud-of-dust-extending-from-the-center-right-seems-to-flow.html