Elon Musk said a primary reason for merging SpaceX with his artificial intelligence startup, xAI, is to more effectively build "orbital data centers." That's for a far-off future. For now, xAI has a much more pressing need: cash. In Monday's blog post announcing the combination of his two companies, Musk estimated that "within 2 to 3 years, the lowest cost way to generate AI compute will be in space." But xAI requires immense amounts of money to finance its massive infrastructure buildout as