Dave Mosher, provided by Published 1:27 pm CDT, Tuesday, March 19, 2019 Dave Mosher/Insider Elon Musk has confirmed that SpaceX hopes to try "very short" launches or "hops" of a new spaceship prototype in Texas this week. Called the "Test Hopper," the vehicle is a prototype of a more advanced, 400-foot-tall launch system called Starship, which SpaceX is designing to send people to Mars. Musk also shared critical updates about Starship's heat shield, test-launch plan, construction timeline, and more. When updates about SpaceX's plans rain from Elon Musk, they tend to pour. Such was the case on Sunday, when Musk — the rocket company's founder — opened Twitter to divulge the latest information about a roughly 40-story launch system called Starship. The ultimate goal for the Starship system is to ferry up to 100 people and 150 tons of cargo to the surface of Mars. It's also being designed to be fully reusable, which may reduce launch costs by 10- to 100-fold … [Read more...] about Elon Musk just revealed 5 major updates to SpaceX’s Mars spaceship project. Here’s what we learned.