Stephen Hawking – Nat Geo TV Blogs

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Stephen Hawking and Neil deGrasse Tyson Say #HelloFromEarth

Tomorrow, we’re broadcasting Live From Space! As we gear up for the live two-hour event, we’re asking fans to wave to the astronauts up in space with hashtag #HelloFromEarth on Instagram with a photo or video. Stephen Hawking and Neil deGrasse Tyson are joining in on the fun. Check out their messages to the astronauts,…