This new, unknown component, which comprises ~68% of the matter-energy content of the universe, will determine the ultimate fate of all. NASA’s exploration spans the universe. Everywhere imaginable, NASA is out there. The age, size and shape of the universe have been mapped based on the primordial radiation left by the big bang. view Links out; StarChild. Observing the sun and its effects on Earth. Probing the mysterious structures and origins of our universe. And it has been learned that most of the matter in the universe is dark and invisible, and the universe is not only expanding, but accelerating in an unexpected way. Astronomers have been closely observing a star located some 190 light years away from Earth for over 100 years now and HD 140283 — or Methuselah as this star is commonly known — is also believed to be one of the oldest known stars in universe. Universe definition, the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm. This link takes you away from NASA Space Place. Universe Today. The universe was born with the Big Bang as an unimaginably hot, dense point. Build a model spacecraft to explore the universe! Posted on May 12, 2021 May 12, 2021. From science fiction to science fact, there is a concept that suggests that there could be other universes besides our own, where all … Space and astronomy news. Much of the observable matter in the universe takes the form of individual atoms of hydrogen, which is the simplest atomic element, made of only a proton and an electron (if the atom also contains a neutron, it is instead called deuterium). Astronomers decode the mystery. See more. In 1.3 Million Years, a Star Will Come Within 24 Light-Days of the Sun. How to use universe in a sentence. print Links out; What is infrared? See the universe in a whole new light! Posts. The origin of the force that is pushing the universe apart is a mystery, and astronomers refer to it simply as "dark energy". This link takes you away from NASA Space Place. Looking beyond to worlds around other stars. Subscribe Today! Paper models of the great space observatories and explorers of the universe. The universe contains all the energy and matter there is. Can a star be older than the universe? Universe definition is - the whole body of things and phenomena observed or postulated : cosmos: such as. What is the universe made of? The latest news from beyond the mainstream. Join Plus+ and get exclusive shows and extensions! Is our universe unique? Delving deep into our solar system. Scroll down to content.