what does Hadean eon mean?
HADEAN EON as NOUN
- Meaning
- the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago)
- no evidence of life
Synonym(s)
Hypernyms(s) Hadean eon is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
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