Science Source Feb 2010
EN_90286391_0448
Star cluster Pismis 24 (upper centre) above the nebula NGC 6357, Hubble Space Telescope image. The nebula is glowing under the impact of radiation from hot, young stars, such as those in the cluster. The largest and brightest member of the cluster, at upper centre, is Pismis 24-1. It was thought to be over 150 solar masses, beyond the theoretical limit for star formation, but a Hubble image has revealed it to be two massive stars, not one. This region of the sky is 8000 light years from Earth, in the constellation Scorpius. This image was obtained with Hubble's Wide Field Planetary Camera 2 instrument. The results were published in December 2006.
2010-02-13
EAST NEWS
Science Source
NASA/Science Source
bk2821
0,64MB
11cm x 17cm przy 300dpi
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