'Foundation' space advisor on keeping Asimov's fictional galaxy realistic (exclusive)

NASA planetary scientist and "Foundation" space advisor Kevin Hand tells Space.com how the series stays rooted in as much actual science and astrophysics as possible.

'Foundation' space advisor on keeping Asimov's fictional galaxy realistic (exclusive)
NASA planetary scientist and "Foundation" space advisor Kevin Hand tells Space.com how the series stays rooted in as much actual science and astrophysics as possible.