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- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
- Why a tornado forms: Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
- A mind for math: A part of the brain associated with making memories may also predict success in learning math
FOR KIDS: Super star-maker
A distant galaxy cluster churns out stars at a whopping rate
Web edition: September 4, 2012
Enlarge
This artist’s drawing shows what the central galaxy of the Phoenix cluster might look like. The small blue dots represent new stars forming.
NASA
The recently discovered Phoenix cluster is a big deal. About 6 billion light-years away, it’s home to thousands of galaxies and a huge black hole. Phoenix also is the fastest known star-making factory, a new study finds.
One would expect this cluster to produce fewer than one star per year. Instead “it’s producing 740,” observes MIT astrophysicist Michael McDonald.
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Citations
N. Drake. Giant cluster phenomenally fertile. Science News Online, August 16, 2012. [Go to]
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