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View Full Version : Runaway Star Creates Quite a Shock



Fraser
2011-Mar-10, 09:00 PM
Faster than a speeding bullet, this supergiant star looks like it might be wearing a red cape. Alpha Camelopardalis, the bright star in the middle of this image, is a runaway star, moving at incredible speeds astronomers believe could be zooming along at somewhere between 680 and 4,200 kilometers per second (between 1.5 and [...]

More... (http://www.universetoday.com/83967/runaway-star-creates-quite-a-shock/)

Buttercup
2011-Mar-10, 09:17 PM
I'm a bit surprised they're so uncertain as to speed and distance. Quite a lot of "room for guesswork." :(

trinitree88
2011-Mar-10, 10:49 PM
Buttercup. Agreed. At a distance of ~ 1600 lt-yrs, a star moving ~ 3000 km/sec should move ~ a milliarcsec in 110 years. I'd think that'd show in old photographic plates from ~ 1900. No? pete