How Invisible Stellar Halos Bias Our Understanding of Ultrafaint Galaxies
Coral Wheeler et al 2025 ApJ 995 162 Excluding the low-surface-brightness outskirts of low-mass galaxies due to surface-brightness detection limits leads to overestimates of central dark matter…
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Another tiny galaxy found WITHOUT dark matter
The invisible material is ubiquitous, so finding a galaxy without it is pretty weird
badastronomy.beehiiv.com·9d ago
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