Universe The physical Universe is defined as all of space and time collectively referred to as spacetime and their contents Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space. The Universe Official Site Beyond the Big Bang The universe began with a massive expansion, billions and billions of years ago, and it continues to expand with every passing second The idea that the universe, and man s very existence, began with a Big Bang is no longer a topic of debate among most Solar System and Beyond NASA NASA s exploration spans the universe Observing the sun and its effects on Earth Delving deep into our solar system Looking beyond to worlds around other stars Probing the mysterious structures and origins of our universe Everywhere imaginable, NASA is out there. Our Expanding Universe Age, History Other Facts Space The universe was born with the Big Bang as an unimaginably hot, dense point When the universe was just of a second or so old that is, a hundredth of a billionth of a trillionth of a The Universe TV Series May , The Universe The universe began with a massive expansion, billions and billions of years ago, and it continues to expand with every passing second The idea that the universe, and man s very existence, began with Universe definition of universe by The Free Dictionary The the universe seems comprehensible, the it also seems pointless Steven Weinberg The First Three Minutes The universe is not hostile, nor yet is it friendly It is simply indifferent Revd. Universe Definition of Universe by Merriam Webster Definition of universe for English Language Learners the universe all of space and everything in it including stars, planets, galaxies, etc an area of space or a world that is similar to but separate from the one that we live in the people, places, experiences, etc that are associated with a universe Definition Facts Britannica Written By Universe, the whole cosmic system of matter and energy of which Earth, and therefore the human race, is a part Humanity has traveled a long road since societies imagined Earth, the Sun, and the Moon as the main objects of creation, with the rest of the universe What Is the Universe Real Physics Has Some Mind Bending The universe is a bubble in an ocean of universes Another cosmic puzzle comes up when you consider what happened in the first slivers of a second after the big bang. Universe Simple English , the free encyclopedia Universe Universe is the name that we use to describe the collection of all the things that exist in space It is made of billions of stars and planets and enormous clouds of gas separated by a gigantic empty space which is called the universe Astronomers can use telescopes to look at very distant galaxies.