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.
ViewSpace
ViewSpace videos tell the stories of the planets, stars, galaxies, and universe, giving viewers the opportunity to experience space and Earth as seen with satellites and telescopes. Astronomy: Explore the sky with stories told through spectacular imagery from space telescopes.
Universe - NASA Science
Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more. Worlds beyond our solar system. Scientists have long speculated about the geometry of a black hole’s corona, a region created by strong magnetic …
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 six numbers that define the entire Universe - BBC Science …
These are the numbers that define our entire Universe. The first three parameters tell us about the contents of the Universe. We describe them as fractions of a total matter and energy budget, like the components of a pie chart.
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
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.
What is the universe made of? - Center for Astrophysics
What is the universe made of? Matter and energy are the two basic components of the entire Universe. An enormous challenge for scientists is that most of the matter in the Universe is invisible and the source of most of the energy is not understood. How can we study the Universe if we can’t see most of it?
This new interactive map lets you scroll through the universe
2022年11月17日 · A new map of the universe displays for the first time the span of the entire known cosmos with pinpoint accuracy and sweeping beauty. Created by Johns Hopkins University astronomers with data mined over two decades by the Sloan Digital Sky Survey, the map allows the public to experience data previously only accessible to scientists.