Evolution of the universe over 13.8 billion years
An image representing the evolution of the universe over 13.8 billion years. The impage shows the initial burst of exponential growth, followed by a gradual slowing of the universe's expansion and, more recently, an acceleration of growth.
Learn more in the NSF News Release Astronomers detect ancient signal from first stars in universe. (Date of image: 2018; date originally posted to NSF Multimedia Gallery: Jan. 3, 2020)
Credit: Nicolle R. Fuller, National Science Foundation
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