Richly illustrated with the images from observatories on the ground and in space, and computer simulations, this book shows how black holes were discovered, and discusses what we've learned about their nature... Zobraziť viac
Astronomer Royal Martin Rees shows how the behaviour and origins of the universe can be explained by just six numbers... Zobraziť viac
A world-renowned astronomer and an esteemed science writer make the provocative argument for space exploration without astronauts... Zobraziť viac
