Galaxy Cluster · Coma Geometry
unseel.com · 10¹⁴-10¹⁵ M☉ · X-ray ICM · dark matter
M_vir 10¹⁵ M☉
σ_v 1000 km/s
phase —
Member galaxies
X-ray ICM (10⁷ K)
Dark matter halo
Velocity dispersion
Unseel.com · Galaxy Cluster