The Big Bang - NASA Science
Overview 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.
What Is the Big Bang? | NASA Space Place – NASA Science for Kids
2025年1月2日 · The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!
Big Bang - Science@NASA
The big bang theory of the universe starts with a single point which rapidly expanded and slowly evolved into the cosmos we see today. Some 13.8 billion years ago, the universe was a dense, tremendously hot (too hot for the existence of atoms), extremely tiny point that rapidly surged outward in all directions.
NASA’s James Webb Space Telescope and the Big Bang: A Short …
2017年10月11日 · The concept of the Big Bang is easy to misunderstand. In this Q&A, Dr. John Mather, a Nobel laureate and the senior project scientist for NASA’s James Webb Space Telescope, answers some commonly asked questions about this expanding universe story, and about Webb’s role in understanding the early history of the universe.
Webb Telescope & The Big Bang - NASA Science
2024年8月12日 · The concept of the Big Bang is both simple and easy to misunderstand. Dr. John Mather, Nobel Laureate and James Webb Space Telescope Senior Project Scientist, answers some commonly asked questions about the Big Bang, and about JWST's role in understanding the early history of the universe.
NASA Spotlite: The Big Bang | NASA+
2023年10月26日 · This animation begins with a pinpoint of light as the Big Bang, and continues to show the formation of the first stars and galaxies.
History of the Big Bang theory - Wikipedia
The history of the Big Bang theory began with the Big Bang's development from observations and theoretical considerations. Much of the theoretical work in cosmology now involves extensions and refinements to the basic Big Bang model.
NASA SVS | The Big Bang - NASA Scientific Visualization Studio
2007年7月3日 · This dominant cosmological theory suggests the Universe began nearly 13.7 billion years ago, expanding rapidly from a very dense and incredibly hot state. Eventually, stars ignited and galaxies slowly formed.
WMAP Big Bang Theory - NASA
2012年3月1日 · The Big Bang Model is a broadly accepted theory for the origin and evolution of our universe. It postulates that 12 to 14 billion years ago, the portion of the universe we can see today was only a few millimeters across.
WMAP Big Bang Concepts - NASA
2014年1月24日 · Foundations of Big Bang Cosmology. The Big Bang model of cosmology rests on two key ideas that date back to the early 20th century: General Relativity and the Cosmological Principle.