A journey through space
Start at the Moon, travel out past the planets and end with the search for life among the stars. 6 guides, about 50 minutes of reading.
- The Moon
How the Moon formed, why it has phases, what causes tides and eclipses, and what astronauts found there.
- A tour of the planets
From scorched Mercury to icy Neptune, what makes each of the eight planets distinct.
- The solar system, stars and the life cycle of matter
How the solar system formed, how stars work, and why almost every atom in you was made inside one.
- Stars, galaxies and the universe
How astronomers measure the cosmos, what galaxies are, and the evidence that the universe began with the Big Bang.
- The history of space exploration
From the first rockets and Sputnik to the Moon landings, space stations and probes beyond the solar system.
- Exoplanets and the search for life
How astronomers find planets around other stars, what they have found, and where life beyond Earth might exist.