Pronunciation of the English word eons.
# | Sentence | |
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1. | There is evidence that water was abundant on Mars eons ago. | |
2. | Using cutting-edge machines that can detect the chemical composition in grains of soil as small as a speck of dust, the two Goddard labs will study how the building blocks of life evolved in our solar system and how the Moon’s surface chemistry was shaped over eons by radiation from space and from the Sun. |