the big bang
noun
: a huge explosion that is believed to have happened when the universe began
a few billion years after the big bang
Examples of the big bang in a Sentence
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On Wednesday astronomers on announced that a bright galaxy called MoM-z14 that was found using NASA’s James Webb Space Telescope (JWST) is the farthest yet detected, existing just 280 million years after the big bang.
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Jackie Flynn Mogensen, Scientific American, 28 Jan. 2026
Burns himself is especially interested in the cosmic dark ages, an epoch that began more than 13 billion years ago, just 380,000 years after the big bang.
—IEEE Spectrum, 20 Jan. 2026
It has been theorized that dark matter originated from the big bang that led to the creation of the universe 13.8 billion years ago and makes up cosmic clouds that never accumulated enough gas to form stars.
—Ashley Strickland, CNN Money, 8 Jan. 2026
Having established that the cosmic microwave background is symmetric on large scales, variations in this relic radiation from the big bang have been found.
—Subir Sarkar, Space.com, 5 Jan. 2026
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Jackie Flynn Mogensen, Scientific American, 28 Jan. 2026
Burns himself is especially interested in the cosmic dark ages, an epoch that began more than 13 billion years ago, just 380,000 years after the big bang.
—IEEE Spectrum, 20 Jan. 2026
It has been theorized that dark matter originated from the big bang that led to the creation of the universe 13.8 billion years ago and makes up cosmic clouds that never accumulated enough gas to form stars.
—Ashley Strickland, CNN Money, 8 Jan. 2026
Having established that the cosmic microwave background is symmetric on large scales, variations in this relic radiation from the big bang have been found.
—Subir Sarkar, Space.com, 5 Jan. 2026
See All Example Sentences for the big bang
Cite this Entry
“The big bang.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20big%20bang. Accessed 4 Feb. 2026.
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