Mya (unit) - Citizendia

For other uses of "mya", see mya (disambiguation).

In astronomy, geology, and paleontology, mya or "m. Astronomy (from the Greek words astron (ἄστρον "star" and nomos (νόμος "law" is the scientific study Geology (from Greek γη gê, "earth" and λόγος Logos, "speech" lit Palaeontology redirects here For the Scientific journal, see Palaeontology (journal. y. a. " is an abbreviation for "million years ago". Like the related unit bya, mya is traditionally written in lowercase. In Astronomy, Geology, and Paleontology, bya or " bya " is an Acronym for billion years ago. Lower case (also lower-case or lowercase) minuscule, or small letters are the smaller form of letters as opposed to upper

Although mya is common in popular science writing, in professional literature Ma (megaannum) is preferred. Annum is one form of the Latin noun meaning Year, not a form normally used for derivatives in modern languages the accusative singular

1 Events around 1 mya:
- 1.1 Geologic periods (Neogene):
- 1.2 Prehistoric Paleontology:
2 See also

Events around 1 mya:

Geologic periods (Neogene):

Pliocene 5. Geology (from Greek γη gê, "earth" and λόγος Logos, "speech" lit The Neogene is a geologic period and system starting 2303 ± 0 The Pliocene epoch (spelled Pleiocene in some older texts is the period in the Geologic timescale that extends 3 to 1. 8 mya
- The last geomagnetic reversal was 0. The Brunhes-Matuyama Reversal was a geologic event approximately 780000 years ago when the Earth's magnetic field last underwent reversal. 78 mya
- The (Eemian interglacial) Ice Age started 0. The Eemian interglacial era, now known as the Eemian Stage is temporally equivalent to the Sangamon Stage in North America, the Ipswichian Stage in An ice age is a period of long-term reduction in the Temperature of the Earth 's surface and atmosphere resulting in an expansion of continental Ice sheets 13 mya
Holocene started 0. The Holocene is a Geological epoch which began approximately 10000 years ago (about 8000 BC 01 mya

Prehistoric Paleontology:

Homo erectus existed from 1. Stone Age Paleolithic See also Paleolithic, Recent African Origin, Early Homo sapiens, Early human migrations "Paleolithic" Palaeontology redirects here For the Scientific journal, see Palaeontology (journal. Homo erectus ( Latin: "upright man" is an extinct species of the genus Homo, believed to have been the first hominin 8 to 0. 07 mya
- and learned to control fire from 1. Fire is the heat and light energy released during a Chemical reaction, in particular a combustion reaction. 5 to 0. 5 mya
- and colonized Asia from 0. 5 to 0. 3 mya
Homo sapiens separated from Neanderthal lineage 0. Human beings, humans or man (Origin 1590–1600 L homō man OL hemō the earthly one (see Humus The Neanderthal (neɪˈændərtɑːl also with /niː-/ and /-θɔːl/ or Neandertal, is an extinct member of the Homo genus that is known from 6 mya
- and emerged out of Africa from 0. 076 mya
- and entered Australasia from 0. Australasia is a Region of Oceania: New Zealand, Australia, Papua New Guinea, and neighbouring Islands in the Pacific 07 mya
- and colonized all of Eurasia 0. For the superstate in George Orwell 's novel see Nations of Nineteen Eighty-Four. 04 mya
- and formed cultures since the Upper Paleolithic Revolution 0. Culture (from the Latin cultura stemming from colere, meaning "to cultivate" generally refers to patterns of human activity and the symbolic The Upper Paleolithic (or Upper Palaeolithic) is the third and last subdivision of the Paleolithic or Old Stone Age as it is understood in Europe Africa 04 mya

Contents

Events around 1 mya:

Geologic periods (Neogene):

Prehistoric Paleontology:

See also