The cost of getting a piece of hardware into space is now cheaper than ever, thanks in no small part to the rapid progress that’s been made by commercial launch providers such as SpaceX.

Marziah is the author of five books, including "Build and Program Your Own LEGO Mindstorms EV3 Robots." Her work has appeared in LifeWire, Parents, Rodale's Organic, and WIRED. She earned a Ph.D ...