Descrizione
What is a big bang? How heavy is a white dwarf? What is it like to be an astronaut? From aliens to astronauts, and mission control to meteorites, space is exciting and full of drama, mystery and discovery.
What is a big bang? How heavy is a white dwarf? What is it like to be an astronaut? From aliens to astronauts, and mission control to meteorites, space is exciting and full of drama, mystery and discovery.