hadean was the first eon in earth's history.
hadean was the first eon in earth's history.
which eon was the first in earth's history?
hadean
it is alternately set to be the earliest era within the hadean eon, or its own eon preceding the hadean. when first proposed, it was conceived of as a pre-hadean eon which ended with a hypothetical collision of the proto-earth, leading to the formation of the moon. later scholarship defined it as the first era of the hadean eon. , it is being considered as a proposed revision of the precambrian time scale.









































section::::origins.
chaotian (geology)
bullet::::- eon type 5 olympia 401









































bullet::::- eon type 5 olympia 402









































bullet::::- eon type 6 olympia 403









































bullet::::- eon type 6 olympia 415









































bullet::::- eon type 6 olympia 419









































bullet::::- eon type 7 sg-38









































bullet::::- elliotts primary eon known as eton tx.1 by r.a.f.









































bullet::::- eon type 8 baby eon









































bullet::::- eon type 9 k.1









































bullet::::- eon type 10 eon 460









































bullet::::- eon type 10 eon 463









































bullet::::- eon type 10 eon 465









































bullet::::- eon target – spec. wt1/rdl.3 in competition with slingsby t.39; not built.









































section::::e.:elsässer-obrecht-hügli.









































bullet::::- elsässer röbi









































section::::e.:elsnic.









































bullet::::- elsnic el-1









































bullet::::- elsnic el-2-m šedý vlk
list of gliders (e)