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Photo: NASA/ESA/STScI/Aura/Westerlund 2 Science Team
Scientists think most stars in our galaxy play host to planets, but 20,000 light-years away, a dense cluster of stars is proving to be the exception to that rule.
Why it matters: New research from scientists using the Hubble Space Telescope found the core of the star cluster Westerlund 2 is inhospitable to newly forming planets.
- Researchers think that the dearth of worlds is likely due to immense radiation from huge nearby stars blowing away any planet-forming dust clouds.
- Moving away from the core of the cluster, however, disks of gas and dust that give rise to planets seem plentiful.
Go deeper: Iron rain on an alien world