protogalaxies
- plural of protogalaxy.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These stars would have formed at the center of “minihaloes,” which were early protogalaxies that existed 200 million years after the Big Bang before the advent of elements heavier than helium and hydrogen.
From Scientific American ● Jul. 20, 2023
Gravity guided the subsequent interactions between these protogalaxies, which eventually merged to form larger galaxies.
From Scientific American ● Sep. 14, 2022
But, he added, “they come in herds,” clumps that might be the seeds for the earliest protogalaxies, and they explode: “We can see them when they explode.”
From New York Times ● Dec. 20, 2021
Mapping out how protogalaxies formed might also reveal something about the nature of dark matter, Rieke says.
From Science Magazine ● Nov. 11, 2021
Other protogalaxies with weaker gravity or less initial rotation flattened very little and became the first elliptical galaxies.
From "Cosmos" by Carl Sagan
