(Reuters) - Elon Musk's SpaceX plans to list its space internet venture, Starlink, but not for several years, a company official told Reuters on Thursday. This comes at a time when e-commerce giant Amazon.com Inc is planning its own voyage into space. The company plans to build a network of over 3,000 satellites to provide high-speed internet through its Project Juniper. Earlier in the day, Bloomberg reported the possibility of Starlink going public, citing Chief Operating Officer Gwynne..