
Glowing lava dome in the inner Semeru's Jonggring Saloko crater (image: Andi/VolcanoDiscovery Indonesia)Visual field observations of Semeru from our expedition leader and guide from VolcanoDiscovery Indonesia, Andi Volcanist, during September-November, brought first-hand information about the volcano's behavior. The active lava…
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When galaxies merge, we expect them to produce binary black holes (BBHs.) BBHs orbit one another closely, and when they merge, they produce gravitational waves that have been detected by LIGO-Virgo. The upcoming Vera Rubin ...