Aetherflux, a San Carlos-based space-based solar energy startup led by Robinhood co-founder Baiju Bhatt, raised $50 million in Series A funding, Axios reports. Index Ventures and Interlagos led, joined by Breakthrough Energy Ventures, NEA, A16z, Vlad Tenev, Tim Draper, Jared Leto and F.P. Journe.