Astronauts float above a pandemic

Meet the astronauts who just changed places, with one landing back on a very different Earth than they left, while the other floats above. Their lessons for us on Earth Day. ABC News Live Prime, Weekdays at 7EST & 9EST WATCH the ABC News Live Stream Here: www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: bit.ly/2vZb6yP
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Watch the video at ABC News on Coronavirus COVID-19