Cronología del universo
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Cronología del universo 4,8

Comprime la historia del universo en un solo año.
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Fecha Día de la semana Hora Evento
16/8/26 domingo Gliese 570 forms
25/8/26 martes Proxima Centauri forms. Closest star to the Sun.
29/8/26 sábado SN 2005ap supernova. Brightest supernova ever observed.
2/9/26 miércoles The Sun forms
2/9/26 miércoles Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
3/9/26 jueves Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
6/9/26 domingo Oceans form on Earth. Asteroids bring water to Earth.
6/9/26 domingo First known minerals. Zircons form at Jack Hills, Australia.
10/9/26 jueves Mintaka forms. Right star of the Orion's Belt.
11/9/26 - 19/9/26 viernes - sábado Life emerges on Earth
14/9/26 - 22/9/26 lunes - martes Late Heavy Bombardment
14/9/26 lunes Earliest known rock. (Aggregate of minerals).
17/9/26 jueves Greenstone rock belt
22/9/26 martes Oldest banded iron formation
27/9/26 domingo Vaalbara supercontinent emerges
30/9/26 miércoles Last universal ancestor. Split between bacteria and archaea.
30/9/26 miércoles Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
5/10/26 lunes Compressional tectonics
6/10/26 martes Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
8/10/26 jueves Ur supercontinent forms
8/10/26 jueves Anoxygenic photosynthesis developed by bacteria
11/10/26 domingo First land bacteria
13/10/26 martes Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16/10/26 viernes Zeta Reticuli forms
16/10/26 viernes Kenorland supercontinent emerges
16/10/26 viernes Tides decline below 1000 ft / 300 m
18/10/26 domingo Vaalbara supercontinent breaks up
21/10/26 miércoles Major komatiite eruption
21/10/26 miércoles First eukaryotes emerge. Early estimate.
24/10/26 sábado Oldest known giant carbonate platform
25/10/26 domingo Zeta Puppis forms
26/10/26 lunes Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26/10/26 lunes Movement of the tectonic plates commences
29/10/26 jueves Suavjarvi impact event left oldest still recognizable crater
29/10/26 - 5/11/26 jueves - jueves Huronian glaciation. First snowball earth period.
1/11/26 domingo Continental red beds form
3/11/26 martes Atmospheric oxygen level surpasses one percent
3/11/26 martes Ozone layer forms
6/11/26 viernes Earliest known eukaryote fossils (acritarchs)
6/11/26 viernes Earliest multicellular life. Francevillian Group Fossil.
8/11/26 domingo Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11/11/26 miércoles Atmospheric oxygen level surpasses 15 percent
11/11/26 miércoles Natural nuclear reactor forms in Oklo, Gabon
13/11/26 viernes Sudbury impact, event left a 160 mi / 260 km crater
14/11/26 sábado Supercontinent Columbia forms
15/11/26 domingo Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
17/11/26 martes Oldest sand dune ergs
19/11/26 jueves Mitochondria assimilate into eukaryotic cells
22/11/26 domingo Supercontinent Columbia breaks up
23/11/26 lunes Geologic platform covers expand
24/11/26 martes Population of stromatolites rapidly rises
25/11/26 miércoles Procyon forms. Brightest star in Canis Minor.
27/11/26 viernes Greenville orogeny starts
30/11/26 lunes Supercontinent Rodinia forms
30/11/26 lunes Bangiomorpha pubescens. First sexually reproducing organism.
1/12/26 martes Population explosion of eukaryotes
2/12/26 miércoles Earliest flagellate protists
9/12/26 miércoles Population of stromatolites starts to decline
10/12/26 jueves Protista population explodes
11/12/26 viernes Kaigas glaciation. Snowball earth period.
12/12/26 sábado Supercontinent Rodinia breaks apart
12/12/26 - 14/12/26 sábado - lunes Sturtian glaciation. Snowball earth period.
14/12/26 lunes Marinoan glaciation. Snowball earth period.
16/12/26 miércoles Fossilized worm impressions in China
16/12/26 miércoles Avalon explosion. Ediacaran fauna emerges.
17/12/26 jueves Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18/12/26 viernes First trilobites
20/12/26 domingo 2:20 a. m. Plants and arthropods colonize the land
20/12/26 domingo 5:31 a. m. Ordovician extinction event. 60% of all species go extinct.
20/12/26 domingo 9:23 p. m. First air-breathing animals
21/12/26 lunes 1:15 p. m. First tetrapods
21/12/26 lunes 10:46 p. m. First tree-like plants
22/12/26 martes 5:07 a. m. Late Devonian extinction. 70% of all species go extinct.
23/12/26 miércoles 6:31 a. m. First amniotes
23/12/26 miércoles 12:52 p. m. First reptiles
23/12/26 miércoles 10:23 p. m. Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24/12/26 jueves 1:33 a. m. Pangaea forms. Last supercontinent.
25/12/26 viernes 8:40 a. m. Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25/12/26 viernes 9:18 a. m. Sirius forms . Brightest star in the night sky.
25/12/26 viernes 9:21 p. m. First dinosaurs
26/12/26 sábado 1:10 a. m. First mammals
26/12/26 sábado 4:24 p. m. Triassic extinction event. 75% of all species go extinct.
26/12/26 sábado 11:23 p. m. First giant sauropods
27/12/26 domingo 5:44 a. m. Pangaea splits into Laurasia and Gondwana
27/12/26 domingo 8:16 a. m. First stegosaurs
27/12/26 domingo 9:36 p. m. First birds
28/12/26 lunes 3:57 a. m. Madagascar splits from Africa
28/12/26 lunes 1:28 p. m. First flowering plants
28/12/26 lunes 1:28 p. m. Laurasia and Gondwana begin to drift apart
29/12/26 martes 4:42 a. m. Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29/12/26 martes 8:31 a. m. First bees
29/12/26 martes 2:52 p. m. Indian subcontinent splits from Gondwana
29/12/26 martes 9:13 p. m. Australia splits from Antarctica
30/12/26 miércoles 4:50 a. m. Tyrannosaurus rex evolves
30/12/26 miércoles 6:06 a. m. Cretaceous extinction event. 75% of all species vanish.
30/12/26 miércoles 9:54 a. m. First primates evolve
30/12/26 miércoles 1:05 p. m. First modern birds
30/12/26 miércoles 4:15 p. m. Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30/12/26 miércoles 6:09 p. m. Whales return to the water
30/12/26 miércoles 10:36 p. m. Antarctic ice cap begins to grow
31/12/26 jueves 1:46 a. m. Grasslands become widespread
31/12/26 jueves 4:57 a. m. South America separates from Antarctica
31/12/26 jueves 7:29 a. m. First elephants. Eritreum melakeghebrekristosi.
31/12/26 jueves 12:34 p. m. Divergence of great apes and lesser apes
31/12/26 jueves 2:28 p. m. First bovids
31/12/26 jueves 5:01 p. m. First large horses
31/12/26 jueves 6:55 p. m. Rigel forms. Brightest star in Orion.
31/12/26 jueves 7:14 p. m. Betelgeuse forms. Second brightest star in Orion.
31/12/26 jueves 8:11 p. m. Last common ancestor humans and chimpanzees
31/12/26 jueves 8:13 p. m. - 8:36 p. m. Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31/12/26 jueves 9:27 p. m. Australopithecus evolves
31/12/26 jueves 10:05 p. m. Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31/12/26 jueves 10:24 p. m. Current ice age begins
31/12/26 jueves 10:36 p. m. First members of the genus Homo appear
31/12/26 jueves 11:02 p. m. First controlled use of fire by Homo erectus
31/12/26 jueves 11:30 p. m. Last reversal of the Earth's magnetic field
31/12/26 jueves 11:35 p. m. Yellowstone Caldera erupts
31/12/26 jueves 11:40 p. m. Earliest human engravings. Zig-zag patterns on shells in Java.
31/12/26 jueves 11:48 p. m. Earliest instances of burial
31/12/26 jueves 11:50 p. m. Neanderthals evolve
31/12/26 jueves 11:52 p. m. Anatomically modern humans appear in Africa
31/12/26 jueves 11:56 p. m. Humans begin migrating out of Africa
31/12/26 jueves 11:57 p. m. Toba supervolcanic eruption. Human population falls to 10,000.
31/12/26 jueves 11:58 p. m. 23:58:40 Neanderthals go extinct
31/12/26 jueves 11:59 p. m. 23:59:25 First domesticated dogs
31/12/26 jueves 11:59 p. m. 23:59:39 Beginning of agriculture
31/12/26 jueves 11:59 p. m. 23:59:46 Wheel invented
31/12/26 jueves 11:59 p. m. 23:59:48 Writing invented
31/12/26 jueves 11:59 p. m. 23:59:49 Great Pyramid
31/12/26 jueves 11:59 p. m. 23:59:52 Iron Age begins
31/12/26 jueves 11:59 p. m. 23:59:55 Julius Caesar
31/12/26 jueves 11:59 p. m. 23:59:58 Galileo Galilei
31/12/26 jueves 11:59 p. m. 23:59:59 Charles Darwin
1/1/27 viernes The Big Bang. Beginning of the space and time.
4/1/27 lunes Methuselah star. Oldest known star in the universe.
6/1/27 - 24/1/27 miércoles - domingo Reionization era. Early stars start ionizing interstellar gas.
8/1/27 viernes First black holes form
14/1/27 jueves Mass star formation. Universe starts to heat once again.
16/1/27 sábado First galaxies form
17/1/27 domingo GRB 090423. Oldest gamma ray burst ever observed.
22/1/27 viernes Hubble ultra deep field
26/1/27 martes Quasar CFHQS J2329-0301. Oldest known quasar.
30/1/27 sábado PST B1620-26. Oldest known exoplanet.
1/2/27 lunes Milky Way forms
14/2/27 domingo GRB 140419A supernova. Second oldest gamma ray burst.
25/2/27 jueves BX442 galaxy. Oldest known spiral galaxy.
2/3/27 martes Kapteyn b. Oldest known exoplanet lying within the habitable zone.
5/3/27 viernes Milky Way's cosmic halo forms
16/3/27 martes Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
29/3/27 lunes Oldest population I stars. First stars abundant in metals.
31/3/27 miércoles Universe becomes habitable. First life-friendly star systems emerge.
14/4/27 miércoles JKCS 041. Oldest galactic cluster.
19/4/27 lunes Universe reaches 1/3 of its present diameter
22/4/27 jueves Milky Way star formation rate stabilizes
28/4/27 miércoles Barnard's star forms. Oldest close solar neighbor.
7/5/27 viernes Oldest known evidence for dark energy
13/5/27 jueves Milky Way's thin disk starts to form
21/5/27 viernes Lalande 21185
23/5/27 domingo Lacaille 9352
3/6/27 jueves Milky Way star formation rate begins to decline
8/6/27 martes Mizar forms
16/6/27 miércoles GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16/6/27 miércoles Arcturus forms. 4th brightest star in the night sky.
27/6/27 domingo Universe cools below 5 K
29/6/27 martes Growth of large galaxies slows
2/7/27 viernes 1/2 the age of the Universe
5/7/27 lunes Alpha Centauri forms. Closest star system to the Sun.
7/7/27 miércoles Alnitak forms. Left star of the Orion's Belt.
13/7/27 martes Milky Way starts spiralizing
15/7/27 jueves Age of an average earth-like planet
21/7/27 miércoles 61 Cygni forms
26/7/27 lunes Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31/7/27 sábado Tau Ceti forms
8/8/27 domingo Solar nebula starts collapsing
8/8/27 domingo Milky way becomes a spiral galaxy
16/8/27 lunes Gliese 570 forms
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