stephen hawking legacy Hard Science Ask a NASA astronomer! How did Stephen Hawking change the world? Stephen Hawking was one of the greatest scientific and analytical minds of our time, says NASA's Michelle Thaller. ▸ 6 min — with Michelle Thaller
Hard Science Ask a NASA astronomer! How did Stephen Hawking change the world? Stephen Hawking was one of the greatest scientific and analytical minds of our time, says NASA's Michelle Thaller. ▸ 6 min — with Michelle Thaller