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Webb's spectra of IC 348 pin the lightest known brown dwarf at two Jupiter masses
Two years after the same team stopped at three to four Jupiter masses in this cloud, deeper Webb imaging and spectroscopy reached 0.19 percent of a solar mass, below where models of cloud collapse sit comfortably.
Reality
- Evidence55
- Adoption20
- Hype gap+18
- Incentives60
- Confidence55