Man-made objects designed to explore the universe are now challenges for modern spaceflight. (European Space Agency)
Halfway through the European Space Agency's new film, we're at the part where — if this were some happy space documentary from yesteryear — Carl Sagan might be giving us a tour of a distant galaxy.
Halfway through the European Space Agency's new film, we're at the part where — if this were some happy space documentary from yesteryear — Carl Sagan might be giving us a tour of a distant galaxy.