1.1 The Scale of the Universe a relatively small universe. This idea made sense at a time when understanding was b ilt upon everyday experience. After all, we cannot feel the constant motion of …

This chapter provides an overview of the Universe and the study of astronomy that will follow in subsequent chapters. You will look at astronomy from multiple perspectives, as a science, from an …

Starting from the Big Bang, we simulate the evolution of a representative part of the universe according to the Double Dark theory to see if the end result matches what astronomers actually observe.

he universe. It is, simply How old is the universe? n years old. Scientists arrived at that number by measuring the ages of the oldest stars and the rate at which the univ rse expands. They also …

Our universe extends staggeringly far beyond our own earthly environment. Trying to grasp the size in any meaningful way is bound to make your brain hurt. We can make analogies to at least understand …

This image, taken by the Hubble Space Telescope, is among the deepest images of the universe ever taken. The faintest and reddest objects in the image are galaxies that formed early in the universe’s …

Taking the view, palatable to most ordinary folk but exceedingly unpalatable to scientists, that there is an enormous intelligence abroad in the universe, it becomes necessary to write blind forces out of …