Scott Johnston
- Indexed articles, last 90 days
- 1
- Latest publication
- Aug 13, 2026
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- Top 500K sites
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- Aug 13, 2026
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A Rare Extragalactic Stellar Stream Reveals Hidden Dark Matter (opens the original)
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Scientists have discovered a rare star formation hidden in a distant galaxy, unlike anything seen before beyond the Milky Way. What’s more, the discovery offers a brand new way to measure the distribution of dark matter in distant galaxies. The newly observed stellar stream consists of a thin, curved band of stars, unravelling off a globular cluster like a thread from a ball of yarn. Structures like these have been observed before within our own galaxy, where the rotation of the Milky Way tugs a
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