Universe - NASA Science
Welcome to the Universe. Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more. Explore: Exoplanets. Worlds beyond our solar system. Stars. Black Holes. Galaxies. featured story. NASA’s IXPE Helps …
What is the Universe? - NASA Science
The universe is nearly 14 billion years old, our solar system is 4.6 billion years old, life on Earth has existed for maybe 3.8 billion years, and humans have been around for only a few hundred thousand years. In other words, the universe has existed roughly 56,000 times longer than our …
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
4 天之前 — 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. Today it is known that Earth is only a ...
Universe Images - NASA Science
Astronomers using the Hubble Space Telescope assembled a comprehensive picture of the evolving universe – among the most colorful deep... Using data from NASA's Fermi Gamma-ray Space Telescope, scientists discovered a gigantic, mysterious structure in our galaxy.
The origins of the universe facts and information - National …
2024年8月16日 — SCIENCE. 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...
Universe | HubbleSite
2023年6月2日 — By allowing scientists to study the origins of the universe, the earliest galaxies and the mysterious, repulsive force known as dark energy, Hubble is helping to answer age-old questions such as Where did we come from? and How …
Universe | NASA Space Place – NASA Science for Kids
2024年10月11日 — Galaxies, nebulae, and supernova remnants to view or print. Gravity is the force by which a planet or other body draws objects toward its center. Paint pumpkins with space and Earth science designs. Articles, games and activities about our universe.
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 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