The universe comprises all of space and time, and the matter therein, including galaxies, planets, stars, asteroids and comets, and all forms of energy. It is everything that has existed, and everything that will exist. Depending on the location of the observer, the spatial region that can be observed with telescopes is called the observable universe. Explore the vast expanse of the universe an…
Every night, above our heads, a drama of epic proportions is playing out. Diamond planets, zombie stars, black holes heavier than a billion Suns. The cast of characters is extraordinary, and each one has its own incredible story to tell. We once thought of our Earth as unique, but we have now discovered thousands of alien planets, and that's barely a fraction of the worlds that are out there. A…
A journey through life, the universe and everything. Introduction by Professor Stephen Hawking. When Edwin Hubble looked into his telescope in the 1920s, he was shocked to find that nearly all of the galaxies he could see through it were flying away from one another. If these galaxies had always been travelling, he reasoned, then they must, at some point, have been on top of one another. This d…
In 2004 a rock star, a TV astronomer and a young research astronomer sat down to write the story of the Universe in the order in which it happened, from its birth at the Big Bang 13.7 billion years ago, through to its ultimate demise in the infinitely far future.