While we're used to a parade of rovers heading to Mars every few years, a helicopter? Never been done before. NASA's going to break that streak. In 2020, it plans to send a flying vehicle to explore destinations far beyond its original landing site. Here's how it's going to work.
Taking to the Air
Related Video: NASA's Sending a Helicopter to Mars in 2020
Written by Elizabeth Howell March 28, 2019
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