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An almost-Jupiter body orbiting a brown dwarf challenges how astronomers classify moons, with real knock-on effects for future surveys.

A Nature paper says the object is likely not an exomoon, yet it is a first-of-its-kind exosatellite at 73 light-years.

The 34-year-old founder’s open model launch spiked demand, strained compute, and rattled Wall Street’s AI winners.

SpaceX shares jumped, and Musk’s $800B pre-IPO value crossed a trillion, reshaping how investors price “moonshots.”