The history of the universe: Big Bang to now in 10 easy steps - Space.com
2022年2月2日 · So, how did the universe go from being fractions of an inch (a few millimeters) across to what it is today? Here is a breakdown of the Big Bang to now in 10 easy-to-understand steps. An...
Timeline of the Universe - Wikipedia
The timeline of the Universe lists events from its creation to its ultimate final state. For a timeline of the universe from the present to its presumed conclusion, see: Timeline of the far future; Chronology of the universe; Timeline of the early universe; Detailed logarithmic timeline; Graphical timeline from the Big Bang to the heat death of ...
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.
Everything within the universal bounds, from the tiniest particle to the hugest globe; from the earth on which we poor reasoners dwell to the farthest star in heaven's vast galaxy; from the heaviest metal to the most etherealized interstellar medium, is by this theory conceived of as consisting of but one substance, to which, in the poverty of o...
This Timeline Shows The Entire History of The Universe, And …
2018年4月30日 · Created by Slovak graphic designer Martin Vargic, the Timeline of the Universe covers the past 13.8 billion years of space, and then plots out what's likely to occur in the next 10 billion or so.
Big Bang - Wikipedia
Timeline of the expansion of the universe, where space, including hypothetical non-observable portions of the universe, is represented at each time by the circular sections. On the left, the dramatic expansion occurs in the inflationary epoch; and at the center, the expansion accelerates (artist's concept; neither time nor size are to scale).
Using our own ingenuity, humanity is probing the depths of the Universe and trying to unravel its mysteries, from our tiny, home planet, Earth. The visible Universe contains billions of galaxies, each comprising billions of stars. Within our own Galaxy, hundreds of exoplanets have been discovered orbiting other stars.
Overview - NASA Science
Here is the history of the universe according to cosmologists’ current theories. Around 13.8 billion years ago, the universe expanded faster than the speed of light for a fraction of a second, a period called cosmic inflation. Scientists aren’t sure what came before inflation or what powered it.
The chart of everything - The Economist
2024年12月21日 · Some 13.8bn years ago, the universe came into existence in the Big Bang. Its first moments were a period of pure energy with intense, possibly infinite, heat and density. As the universe expanded ...
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 …