Author(s): Mary Gribbin

Mathematics - children

⢠How big is infinityb⢠How small is an electron>⢠When will the Sun destroy the Earth ⢠How fast is a nerve impulse in your brainh⢠Why canâÂÂt you see inside a black holes⢠WhatâÂÂs the hottest temperature ever recorded on Earthe⢠WhatâÂÂs the furthest you can see on a clear night Welcome to the amazing world of âÂÂBig NumbersâÂÂ, where youâÂÂll travel from the furthest reaches of the known Universe to the tiniest particles that make up life on Earth. Together with Mary and John Gribbin, you can find out how our telescopes can see 10 billion years into the past, and why a thimble-full of a neutron star would contain as much mass as all the people on Earth put together!