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The universe contains all the energy and matter there is. 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).
The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of energy and matter, and the structures they form, from sub-atomic particles to entire galactic filaments.
The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown.
Explora el universo en la página en español de la NASA. Con datos sobre galaxias, estrellas, agujeros negros, exoplanetas, y el vasto cosmo que nos rodea.
Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more.
4 de jul. de 2024 · 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 being formed almost as an afterthought.
9 de jul. de 2024 · Haz un montaje galáctico de GALEX. do. Articles, games and activities about our universe.
9 de jul. de 2024 · Answer your questions: What is the Big Bang? What is a black hole? What is a planet? What is gravity? Articles, games and activities about our universe.
Discover how the universe works, explore how it began and evolved, and search for life on planets around other stars as we seek to understand the universe and.
12 de jul. de 2022 · NASA explores the unknown in space for the benefit of all, and Webb’s first observations tell the story of the hidden universe through every phase of cosmic history – from neighboring planets outside our solar system, known as exoplanets, to the most distant observable galaxies in the early universe.
