Universumin aikajana 4,8

Tiivistää universumin historian yhteen vuoteen.
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Päivämäärä Viikonpäivä Aika Tapahtuma
1.1.2026 torstai The Big Bang. Beginning of the space and time.
4.1.2026 sunnuntai Methuselah star. Oldest known star in the universe.
6.1.2026 - 24.1.2026 tiistai - lauantai Reionization era. Early stars start ionizing interstellar gas.
8.1.2026 torstai First black holes form
14.1.2026 keskiviikko Mass star formation. Universe starts to heat once again.
16.1.2026 perjantai First galaxies form
17.1.2026 lauantai GRB 090423. Oldest gamma ray burst ever observed.
22.1.2026 torstai Hubble ultra deep field
26.1.2026 maanantai Quasar CFHQS J2329-0301. Oldest known quasar.
30.1.2026 perjantai PST B1620-26. Oldest known exoplanet.
1.2.2026 sunnuntai Milky Way forms
14.2.2026 lauantai GRB 140419A supernova. Second oldest gamma ray burst.
25.2.2026 keskiviikko BX442 galaxy. Oldest known spiral galaxy.
2.3.2026 maanantai Kapteyn b. Oldest known exoplanet lying within the habitable zone.
5.3.2026 torstai Milky Way's cosmic halo forms
16.3.2026 maanantai Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
29.3.2026 sunnuntai Oldest population I stars. First stars abundant in metals.
31.3.2026 tiistai Universe becomes habitable. First life-friendly star systems emerge.
14.4.2026 tiistai JKCS 041. Oldest galactic cluster.
19.4.2026 sunnuntai Universe reaches 1/3 of its present diameter
22.4.2026 keskiviikko Milky Way star formation rate stabilizes
28.4.2026 tiistai Barnard's star forms. Oldest close solar neighbor.
7.5.2026 torstai Oldest known evidence for dark energy
13.5.2026 keskiviikko Milky Way's thin disk starts to form
21.5.2026 torstai Lalande 21185
23.5.2026 lauantai Lacaille 9352
3.6.2026 keskiviikko Milky Way star formation rate begins to decline
8.6.2026 maanantai Mizar forms
16.6.2026 tiistai GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16.6.2026 tiistai Arcturus forms. 4th brightest star in the night sky.
27.6.2026 lauantai Universe cools below 5 K
29.6.2026 maanantai Growth of large galaxies slows
2.7.2026 torstai 1/2 the age of the Universe
5.7.2026 sunnuntai Alpha Centauri forms. Closest star system to the Sun.
7.7.2026 tiistai Alnitak forms. Left star of the Orion's Belt.
13.7.2026 maanantai Milky Way starts spiralizing
15.7.2026 keskiviikko Age of an average earth-like planet
21.7.2026 tiistai 61 Cygni forms
26.7.2026 sunnuntai Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31.7.2026 perjantai Tau Ceti forms
8.8.2026 lauantai Solar nebula starts collapsing
8.8.2026 lauantai Milky way becomes a spiral galaxy
16.8.2026 sunnuntai Gliese 570 forms
25.8.2026 tiistai Proxima Centauri forms. Closest star to the Sun.
29.8.2026 lauantai SN 2005ap supernova. Brightest supernova ever observed.
2.9.2026 keskiviikko The Sun forms
2.9.2026 keskiviikko Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
3.9.2026 torstai Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
6.9.2026 sunnuntai Oceans form on Earth. Asteroids bring water to Earth.
6.9.2026 sunnuntai First known minerals. Zircons form at Jack Hills, Australia.
10.9.2026 torstai Mintaka forms. Right star of the Orion's Belt.
11.9.2026 - 19.9.2026 perjantai - lauantai Life emerges on Earth
14.9.2026 - 22.9.2026 maanantai - tiistai Late Heavy Bombardment
14.9.2026 maanantai Earliest known rock. (Aggregate of minerals).
17.9.2026 torstai Greenstone rock belt
22.9.2026 tiistai Oldest banded iron formation
27.9.2026 sunnuntai Vaalbara supercontinent emerges
30.9.2026 keskiviikko Last universal ancestor. Split between bacteria and archaea.
30.9.2026 keskiviikko Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
5.10.2026 maanantai Compressional tectonics
6.10.2026 tiistai Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
8.10.2026 torstai Ur supercontinent forms
8.10.2026 torstai Anoxygenic photosynthesis developed by bacteria
11.10.2026 sunnuntai First land bacteria
13.10.2026 tiistai Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16.10.2026 perjantai Zeta Reticuli forms
16.10.2026 perjantai Kenorland supercontinent emerges
16.10.2026 perjantai Tides decline below 1000 ft / 300 m
18.10.2026 sunnuntai Vaalbara supercontinent breaks up
21.10.2026 keskiviikko Major komatiite eruption
21.10.2026 keskiviikko First eukaryotes emerge. Early estimate.
24.10.2026 lauantai Oldest known giant carbonate platform
25.10.2026 sunnuntai Zeta Puppis forms
26.10.2026 maanantai Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26.10.2026 maanantai Movement of the tectonic plates commences
29.10.2026 torstai Suavjarvi impact event left oldest still recognizable crater
29.10.2026 - 5.11.2026 torstai - torstai Huronian glaciation. First snowball earth period.
1.11.2026 sunnuntai Continental red beds form
3.11.2026 tiistai Atmospheric oxygen level surpasses one percent
3.11.2026 tiistai Ozone layer forms
6.11.2026 perjantai Earliest known eukaryote fossils (acritarchs)
6.11.2026 perjantai Earliest multicellular life. Francevillian Group Fossil.
8.11.2026 sunnuntai Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11.11.2026 keskiviikko Atmospheric oxygen level surpasses 15 percent
11.11.2026 keskiviikko Natural nuclear reactor forms in Oklo, Gabon
13.11.2026 perjantai Sudbury impact, event left a 160 mi / 260 km crater
14.11.2026 lauantai Supercontinent Columbia forms
15.11.2026 sunnuntai Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
17.11.2026 tiistai Oldest sand dune ergs
19.11.2026 torstai Mitochondria assimilate into eukaryotic cells
22.11.2026 sunnuntai Supercontinent Columbia breaks up
23.11.2026 maanantai Geologic platform covers expand
24.11.2026 tiistai Population of stromatolites rapidly rises
25.11.2026 keskiviikko Procyon forms. Brightest star in Canis Minor.
27.11.2026 perjantai Greenville orogeny starts
30.11.2026 maanantai Supercontinent Rodinia forms
30.11.2026 maanantai Bangiomorpha pubescens. First sexually reproducing organism.
1.12.2026 tiistai Population explosion of eukaryotes
2.12.2026 keskiviikko Earliest flagellate protists
9.12.2026 keskiviikko Population of stromatolites starts to decline
10.12.2026 torstai Protista population explodes
11.12.2026 perjantai Kaigas glaciation. Snowball earth period.
12.12.2026 lauantai Supercontinent Rodinia breaks apart
12.12.2026 - 14.12.2026 lauantai - maanantai Sturtian glaciation. Snowball earth period.
14.12.2026 maanantai Marinoan glaciation. Snowball earth period.
16.12.2026 keskiviikko Fossilized worm impressions in China
16.12.2026 keskiviikko Avalon explosion. Ediacaran fauna emerges.
17.12.2026 torstai Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18.12.2026 perjantai First trilobites
20.12.2026 sunnuntai 2.20 Plants and arthropods colonize the land
20.12.2026 sunnuntai 5.31 Ordovician extinction event. 60% of all species go extinct.
20.12.2026 sunnuntai 21.23 First air-breathing animals
21.12.2026 maanantai 13.15 First tetrapods
21.12.2026 maanantai 22.46 First tree-like plants
22.12.2026 tiistai 5.07 Late Devonian extinction. 70% of all species go extinct.
23.12.2026 keskiviikko 6.31 First amniotes
23.12.2026 keskiviikko 12.52 First reptiles
23.12.2026 keskiviikko 22.23 Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24.12.2026 torstai 1.33 Pangaea forms. Last supercontinent.
25.12.2026 perjantai 8.40 Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25.12.2026 perjantai 9.18 Sirius forms . Brightest star in the night sky.
25.12.2026 perjantai 21.21 First dinosaurs
26.12.2026 lauantai 1.10 First mammals
26.12.2026 lauantai 16.24 Triassic extinction event. 75% of all species go extinct.
26.12.2026 lauantai 23.23 First giant sauropods
27.12.2026 sunnuntai 5.44 Pangaea splits into Laurasia and Gondwana
27.12.2026 sunnuntai 8.16 First stegosaurs
27.12.2026 sunnuntai 21.36 First birds
28.12.2026 maanantai 3.57 Madagascar splits from Africa
28.12.2026 maanantai 13.28 First flowering plants
28.12.2026 maanantai 13.28 Laurasia and Gondwana begin to drift apart
29.12.2026 tiistai 4.42 Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29.12.2026 tiistai 8.31 First bees
29.12.2026 tiistai 14.52 Indian subcontinent splits from Gondwana
29.12.2026 tiistai 21.13 Australia splits from Antarctica
30.12.2026 keskiviikko 4.50 Tyrannosaurus rex evolves
30.12.2026 keskiviikko 6.06 Cretaceous extinction event. 75% of all species vanish.
30.12.2026 keskiviikko 9.54 First primates evolve
30.12.2026 keskiviikko 13.05 First modern birds
30.12.2026 keskiviikko 16.15 Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30.12.2026 keskiviikko 18.09 Whales return to the water
30.12.2026 keskiviikko 22.36 Antarctic ice cap begins to grow
31.12.2026 torstai 1.46 Grasslands become widespread
31.12.2026 torstai 4.57 South America separates from Antarctica
31.12.2026 torstai 7.29 First elephants. Eritreum melakeghebrekristosi.
31.12.2026 torstai 12.34 Divergence of great apes and lesser apes
31.12.2026 torstai 14.28 First bovids
31.12.2026 torstai 17.01 First large horses
31.12.2026 torstai 18.55 Rigel forms. Brightest star in Orion.
31.12.2026 torstai 19.14 Betelgeuse forms. Second brightest star in Orion.
31.12.2026 torstai 20.11 Last common ancestor humans and chimpanzees
31.12.2026 torstai 20.13 - 20.36 Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31.12.2026 torstai 21.27 Australopithecus evolves
31.12.2026 torstai 22.05 Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31.12.2026 torstai 22.24 Current ice age begins
31.12.2026 torstai 22.36 First members of the genus Homo appear
31.12.2026 torstai 23.02 First controlled use of fire by Homo erectus
31.12.2026 torstai 23.30 Last reversal of the Earth's magnetic field
31.12.2026 torstai 23.35 Yellowstone Caldera erupts
31.12.2026 torstai 23.40 Earliest human engravings. Zig-zag patterns on shells in Java.
31.12.2026 torstai 23.48 Earliest instances of burial
31.12.2026 torstai 23.50 Neanderthals evolve
31.12.2026 torstai 23.52 Anatomically modern humans appear in Africa
31.12.2026 torstai 23.56 Humans begin migrating out of Africa
31.12.2026 torstai 23.57 Toba supervolcanic eruption. Human population falls to 10,000.
31.12.2026 torstai 23.58 23:58:40 Neanderthals go extinct
31.12.2026 torstai 23.59 23:59:25 First domesticated dogs
31.12.2026 torstai 23.59 23:59:39 Beginning of agriculture
31.12.2026 torstai 23.59 23:59:46 Wheel invented
31.12.2026 torstai 23.59 23:59:48 Writing invented
31.12.2026 torstai 23.59 23:59:49 Great Pyramid
31.12.2026 torstai 23.59 23:59:52 Iron Age begins
31.12.2026 torstai 23.59 23:59:55 Julius Caesar
31.12.2026 torstai 23.59 23:59:58 Galileo Galilei
31.12.2026 torstai 23.59 23:59:59 Charles Darwin