Soar through the universe with the Hubble Space Telescope, exploring some of its most significant discoveries – from dark energy to colliding galaxies. Decend to Earth, where Hubble's successor, the James Webb Space Telescope, readies for the future of astronomy. Image galleries, video, and interactives bring home the telescopes' science and engineering in this pair of free books available through the iBooks app on the iPad.
Hubble Space Telescope: Discoveries
Behind the Hubble Space Telescope's stunning images of the cosmos lies a record of scientific breakthroughts. Hubble has had a front-row seat for the explosive death of stars, measured the age of the universe, and studied planets beyond our solar system. Learn how Hubble has changed the face of astronomy and opened our eyes to some of the universe's biggest mysteries.
Webb Space Telescope: Science Guide
Hubble's successor, the Webb Space Telescope, will reveal a cosmos hidden from us, showing the first stars flickering to life in the distant universe and the dust-obscured surpises within our own galaxy. Find out how its innovative technology will give us this new view of the universe.