Universe - Wikipedia
The universe is all of space and time [a] and their contents. [10] It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments.
Universe | Definition & Facts | Britannica
2025年1月14日 · 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.
What is the universe? - Live Science
2022年5月3日 · The universe is literally everything, the sum of all existence. It includes all matter, like stars and galaxies. The universe also includes all radiation and all other forms of energy.
The origins of the universe facts and information - National …
2024年8月16日 · How did the universe begin—and what were its early days like? The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang.
The Universe - NASA+
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
Science - Imagine the Universe!
2018年12月11日 · Explore some of the objects that make up our universe, from our own Sun to distant pulsars and black holes. Scientific discoveries often reveal new mysteries. Take a look at a few of the mysteries that astronomers and astrophysicists are working on right now. Special objects and images in high-energy astronomy.
Sensing the Universe - NASA Science
We experience the world through different senses: sight, touch, taste, hearing, and smell. Similarly, astronomers now study the universe using different messengers: light, particles, and space-time ripples called gravitational waves.
Universe Stories - NASA Science
Billions of trillions of stars speckle the universe. Star clusters are groups of stars that share an origin, forming at roughly the same time and location, and are tied together by gravity for up to millions or even billions of…
New Simulated Universe Previews Panoramas From NASA’s …
2025年1月14日 · “The mission will do things like unveil how the universe expanded over time, make 3D maps of galaxies and galaxy clusters, reveal new details about star formation and evolution — all things we simulated. So now we get to practice on the synthetic data so we can get right to the science when real observations begin.”
Origin & Evolution of the Universe - NASA
The Universe; Science; Aeronautics; Technology; Learning Resources; About NASA; Español; News & Events; Multimedia; NASA+; Featured. 3 min read. NASA Solar Observatory Sees Coronal Loops Flicker Before Big Flares. article 5 days ago. 6 min read. Ten NASA Science, Tech Instruments Flying to Moon on Firefly Lander.
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