Explore is the story of humanity’s fascination with the stars – from ancient stargazers and astrologers to the breakthrough discoveries of Nicolaus Copernicus and Johannes Kepler. In particular, today’s explorers depend on Kepler’s genius for their work in space.

The story centres on the motive of human travel to Mars, and presents and explains a broad selection of related scientific topics, including the history of astronomy, the geocentric and heliocentric models, Kepler’s laws of planetary motion, and orbital manoeuvres.