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Universums tidslinje 4,8

Komprimerar universums historia till ett enda år.
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Nu 2025 2026 2027 2028
Datum Dag i veckan Tid Händelse
2028-01-01 lördag The Big Bang. Beginning of the space and time.
2028-01-04 tisdag Methuselah star. Oldest known star in the universe.
2028-01-06 - 2028-01-24 torsdag - måndag Reionization era. Early stars start ionizing interstellar gas.
2028-01-08 lördag First black holes form
2028-01-14 fredag Mass star formation. Universe starts to heat once again.
2028-01-16 söndag First galaxies form
2028-01-17 måndag GRB 090423. Oldest gamma ray burst ever observed.
2028-01-22 lördag Hubble ultra deep field
2028-01-26 onsdag Quasar CFHQS J2329-0301. Oldest known quasar.
2028-01-30 söndag PST B1620-26. Oldest known exoplanet.
2028-02-01 tisdag Milky Way forms
2028-02-15 tisdag GRB 140419A supernova. Second oldest gamma ray burst.
2028-02-25 fredag BX442 galaxy. Oldest known spiral galaxy.
2028-03-01 onsdag Kapteyn b. Oldest known exoplanet lying within the habitable zone.
2028-03-04 lördag Milky Way's cosmic halo forms
2028-03-15 onsdag Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
2028-03-28 tisdag Oldest population I stars. First stars abundant in metals.
2028-03-31 fredag Universe becomes habitable. First life-friendly star systems emerge.
2028-04-13 torsdag JKCS 041. Oldest galactic cluster.
2028-04-18 tisdag Universe reaches 1/3 of its present diameter
2028-04-21 fredag Milky Way star formation rate stabilizes
2028-04-28 fredag Barnard's star forms. Oldest close solar neighbor.
2028-05-07 söndag Oldest known evidence for dark energy
2028-05-12 fredag Milky Way's thin disk starts to form
2028-05-20 lördag Lalande 21185
2028-05-23 tisdag Lacaille 9352
2028-06-02 fredag Milky Way star formation rate begins to decline
2028-06-08 torsdag Mizar forms
2028-06-16 fredag GRB 080319B. Most powerful gamma ray burst ever observed by humans.
2028-06-16 fredag Arcturus forms. 4th brightest star in the night sky.
2028-06-26 måndag Universe cools below 5 K
2028-06-29 torsdag Growth of large galaxies slows
2028-07-02 söndag 1/2 the age of the Universe
2028-07-04 tisdag Alpha Centauri forms. Closest star system to the Sun.
2028-07-07 fredag Alnitak forms. Left star of the Orion's Belt.
2028-07-12 onsdag Milky Way starts spiralizing
2028-07-15 lördag Age of an average earth-like planet
2028-07-20 torsdag 61 Cygni forms
2028-07-25 tisdag Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
2028-07-31 måndag Tau Ceti forms
2028-08-08 tisdag Solar nebula starts collapsing
2028-08-08 tisdag Milky way becomes a spiral galaxy
2028-08-16 onsdag Gliese 570 forms
2028-08-25 fredag Proxima Centauri forms. Closest star to the Sun.
2028-08-29 tisdag SN 2005ap supernova. Brightest supernova ever observed.
2028-09-01 fredag The Sun forms
2028-09-02 lördag Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
2028-09-02 lördag Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
2028-09-06 onsdag Oceans form on Earth. Asteroids bring water to Earth.
2028-09-06 onsdag First known minerals. Zircons form at Jack Hills, Australia.
2028-09-10 söndag Mintaka forms. Right star of the Orion's Belt.
2028-09-11 - 2028-09-19 måndag - tisdag Life emerges on Earth
2028-09-13 - 2028-09-22 onsdag - fredag Late Heavy Bombardment
2028-09-14 torsdag Earliest known rock. (Aggregate of minerals).
2028-09-16 lördag Greenstone rock belt
2028-09-22 fredag Oldest banded iron formation
2028-09-27 onsdag Vaalbara supercontinent emerges
2028-09-30 lördag Last universal ancestor. Split between bacteria and archaea.
2028-09-30 lördag Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
2028-10-05 torsdag Compressional tectonics
2028-10-06 fredag Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
2028-10-08 söndag Ur supercontinent forms
2028-10-08 söndag Anoxygenic photosynthesis developed by bacteria
2028-10-10 tisdag First land bacteria
2028-10-13 fredag Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
2028-10-16 måndag Zeta Reticuli forms
2028-10-16 måndag Kenorland supercontinent emerges
2028-10-16 måndag Tides decline below 1000 ft / 300 m
2028-10-18 onsdag Vaalbara supercontinent breaks up
2028-10-21 lördag Major komatiite eruption
2028-10-21 lördag First eukaryotes emerge. Early estimate.
2028-10-24 tisdag Oldest known giant carbonate platform
2028-10-25 onsdag Zeta Puppis forms
2028-10-26 torsdag Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
2028-10-26 torsdag Movement of the tectonic plates commences
2028-10-29 söndag Suavjarvi impact event left oldest still recognizable crater
2028-10-29 - 2028-11-04 söndag - lördag Huronian glaciation. First snowball earth period.
2028-11-01 onsdag Continental red beds form
2028-11-03 fredag Atmospheric oxygen level surpasses one percent
2028-11-03 fredag Ozone layer forms
2028-11-06 måndag Earliest known eukaryote fossils (acritarchs)
2028-11-06 måndag Earliest multicellular life. Francevillian Group Fossil.
2028-11-08 onsdag Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
2028-11-11 lördag Atmospheric oxygen level surpasses 15 percent
2028-11-11 lördag Natural nuclear reactor forms in Oklo, Gabon
2028-11-12 söndag Sudbury impact, event left a 160 mi / 260 km crater
2028-11-14 tisdag Supercontinent Columbia forms
2028-11-15 onsdag Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
2028-11-16 torsdag Oldest sand dune ergs
2028-11-19 söndag Mitochondria assimilate into eukaryotic cells
2028-11-22 onsdag Supercontinent Columbia breaks up
2028-11-23 torsdag Geologic platform covers expand
2028-11-24 fredag Population of stromatolites rapidly rises
2028-11-25 lördag Procyon forms. Brightest star in Canis Minor.
2028-11-27 måndag Greenville orogeny starts
2028-11-30 torsdag Supercontinent Rodinia forms
2028-11-30 torsdag Bangiomorpha pubescens. First sexually reproducing organism.
2028-12-01 fredag Population explosion of eukaryotes
2028-12-02 lördag Earliest flagellate protists
2028-12-09 lördag Population of stromatolites starts to decline
2028-12-10 söndag Protista population explodes
2028-12-11 måndag Kaigas glaciation. Snowball earth period.
2028-12-12 tisdag Supercontinent Rodinia breaks apart
2028-12-12 - 2028-12-14 tisdag - torsdag Sturtian glaciation. Snowball earth period.
2028-12-14 torsdag Marinoan glaciation. Snowball earth period.
2028-12-16 lördag Fossilized worm impressions in China
2028-12-16 lördag Avalon explosion. Ediacaran fauna emerges.
2028-12-17 söndag Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
2028-12-18 måndag First trilobites
2028-12-20 onsdag 01:33 Plants and arthropods colonize the land
2028-12-20 onsdag 04:44 Ordovician extinction event. 60% of all species go extinct.
2028-12-20 onsdag 20:39 First air-breathing animals
2028-12-21 torsdag 12:34 First tetrapods
2028-12-21 torsdag 22:07 First tree-like plants
2028-12-22 fredag 04:29 Late Devonian extinction. 70% of all species go extinct.
2028-12-23 lördag 05:56 First amniotes
2028-12-23 lördag 12:18 First reptiles
2028-12-23 lördag 21:51 Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
2028-12-24 söndag 01:02 Pangaea forms. Last supercontinent.
2028-12-25 måndag 08:13 Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
2028-12-25 måndag 08:52 Sirius forms . Brightest star in the night sky.
2028-12-25 måndag 20:57 First dinosaurs
2028-12-26 tisdag 00:46 First mammals
2028-12-26 tisdag 16:03 Triassic extinction event. 75% of all species go extinct.
2028-12-26 tisdag 23:03 First giant sauropods
2028-12-27 onsdag 05:25 Pangaea splits into Laurasia and Gondwana
2028-12-27 onsdag 07:58 First stegosaurs
2028-12-27 onsdag 21:20 First birds
2028-12-28 torsdag 03:42 Madagascar splits from Africa
2028-12-28 torsdag 13:15 First flowering plants
2028-12-28 torsdag 13:15 Laurasia and Gondwana begin to drift apart
2028-12-29 fredag 04:31 Spinosaurus evolves. Largest of all carnivorous dinosaurs.
2028-12-29 fredag 08:20 First bees
2028-12-29 fredag 14:42 Indian subcontinent splits from Gondwana
2028-12-29 fredag 21:04 Australia splits from Antarctica
2028-12-30 lördag 04:42 Tyrannosaurus rex evolves
2028-12-30 lördag 05:59 Cretaceous extinction event. 75% of all species vanish.
2028-12-30 lördag 09:48 First primates evolve
2028-12-30 lördag 12:59 First modern birds
2028-12-30 lördag 16:10 Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
2028-12-30 lördag 18:05 Whales return to the water
2028-12-30 lördag 22:32 Antarctic ice cap begins to grow
2028-12-31 söndag 01:43 Grasslands become widespread
2028-12-31 söndag 04:54 South America separates from Antarctica
2028-12-31 söndag 07:27 First elephants. Eritreum melakeghebrekristosi.
2028-12-31 söndag 12:32 Divergence of great apes and lesser apes
2028-12-31 söndag 14:27 First bovids
2028-12-31 söndag 16:59 First large horses
2028-12-31 söndag 18:54 Rigel forms. Brightest star in Orion.
2028-12-31 söndag 19:13 Betelgeuse forms. Second brightest star in Orion.
2028-12-31 söndag 20:10 Last common ancestor humans and chimpanzees
2028-12-31 söndag 20:12 - 20:36 Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
2028-12-31 söndag 21:27 Australopithecus evolves
2028-12-31 söndag 22:05 Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
2028-12-31 söndag 22:24 Current ice age begins
2028-12-31 söndag 22:35 First members of the genus Homo appear
2028-12-31 söndag 23:02 First controlled use of fire by Homo erectus
2028-12-31 söndag 23:30 Last reversal of the Earth's magnetic field
2028-12-31 söndag 23:35 Yellowstone Caldera erupts
2028-12-31 söndag 23:40 Earliest human engravings. Zig-zag patterns on shells in Java.
2028-12-31 söndag 23:48 Earliest instances of burial
2028-12-31 söndag 23:50 Neanderthals evolve
2028-12-31 söndag 23:52 Anatomically modern humans appear in Africa
2028-12-31 söndag 23:56 Humans begin migrating out of Africa
2028-12-31 söndag 23:57 Toba supervolcanic eruption. Human population falls to 10,000.
2028-12-31 söndag 23:58 23:58:39 Neanderthals go extinct
2028-12-31 söndag 23:59 23:59:25 First domesticated dogs
2028-12-31 söndag 23:59 23:59:39 Beginning of agriculture
2028-12-31 söndag 23:59 23:59:46 Wheel invented
2028-12-31 söndag 23:59 23:59:48 Writing invented
2028-12-31 söndag 23:59 23:59:49 Great Pyramid
2028-12-31 söndag 23:59 23:59:52 Iron Age begins
2028-12-31 söndag 23:59 23:59:55 Julius Caesar
2028-12-31 söndag 23:59 23:59:58 Galileo Galilei
2028-12-31 söndag 23:59 23:59:59 Charles Darwin