The latest news about astronomy, space, and the NASA/ESA Hubble Space Telescope presented in High Definition.
http://www.spacetelescope.org/videos/hubblecast/
Hubblecast 69: What has Hubble learned from star clusters?
The NASA/ESA Hubble Space Telescope has observed many star clusters. As well as being scientifically interesting, these clusters produce stunning images, appearing like sparkling baubles in the sky.