Our Universe: An Astronomer’s Guide is an accessible introduction to modern astronomy and cosmology by astrophysicist Jo Dunkley. The book takes readers from Earth, the Moon and the Solar System through the Milky Way and distant galaxies to the edge of the observable universe.

Dunkley explains the Big Bang, stellar evolution, black holes, dark matter, dark energy, cosmic expansion, spacetime and the possibility of other universes. The book also highlights the history of astronomical discovery and the scientists whose work transformed our understanding of the cosmos