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Universumin aikajana
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Universumin aikajana 4,8

Tiivistää universumin historian yhteen vuoteen.
Lisää 'Universumin aikajana' kalenteriisi Lisää kalentereita
Nyt 2025 2026 2027 2028
Päivämäärä Viikonpäivä Aika Tapahtuma
1.1.2027 perjantai The Big Bang. Beginning of the space and time.
4.1.2027 maanantai Methuselah star. Oldest known star in the universe.
6.1.2027 - 24.1.2027 keskiviikko - sunnuntai Reionization era. Early stars start ionizing interstellar gas.
8.1.2027 perjantai First black holes form
14.1.2027 torstai Mass star formation. Universe starts to heat once again.
16.1.2027 lauantai First galaxies form
17.1.2027 sunnuntai GRB 090423. Oldest gamma ray burst ever observed.
22.1.2027 perjantai Hubble ultra deep field
26.1.2027 tiistai Quasar CFHQS J2329-0301. Oldest known quasar.
30.1.2027 lauantai PST B1620-26. Oldest known exoplanet.
1.2.2027 maanantai Milky Way forms
14.2.2027 sunnuntai GRB 140419A supernova. Second oldest gamma ray burst.
25.2.2027 torstai BX442 galaxy. Oldest known spiral galaxy.
2.3.2027 tiistai Kapteyn b. Oldest known exoplanet lying within the habitable zone.
5.3.2027 perjantai Milky Way's cosmic halo forms
16.3.2027 tiistai Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
29.3.2027 maanantai Oldest population I stars. First stars abundant in metals.
31.3.2027 keskiviikko Universe becomes habitable. First life-friendly star systems emerge.
14.4.2027 keskiviikko JKCS 041. Oldest galactic cluster.
19.4.2027 maanantai Universe reaches 1/3 of its present diameter
22.4.2027 torstai Milky Way star formation rate stabilizes
28.4.2027 keskiviikko Barnard's star forms. Oldest close solar neighbor.
7.5.2027 perjantai Oldest known evidence for dark energy
13.5.2027 torstai Milky Way's thin disk starts to form
21.5.2027 perjantai Lalande 21185
23.5.2027 sunnuntai Lacaille 9352
3.6.2027 torstai Milky Way star formation rate begins to decline
8.6.2027 tiistai Mizar forms
16.6.2027 keskiviikko GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16.6.2027 keskiviikko Arcturus forms. 4th brightest star in the night sky.
27.6.2027 sunnuntai Universe cools below 5 K
29.6.2027 tiistai Growth of large galaxies slows
2.7.2027 perjantai 1/2 the age of the Universe
5.7.2027 maanantai Alpha Centauri forms. Closest star system to the Sun.
7.7.2027 keskiviikko Alnitak forms. Left star of the Orion's Belt.
13.7.2027 tiistai Milky Way starts spiralizing
15.7.2027 torstai Age of an average earth-like planet
21.7.2027 keskiviikko 61 Cygni forms
26.7.2027 maanantai Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31.7.2027 lauantai Tau Ceti forms
8.8.2027 sunnuntai Solar nebula starts collapsing
8.8.2027 sunnuntai Milky way becomes a spiral galaxy
16.8.2027 maanantai Gliese 570 forms
25.8.2027 keskiviikko Proxima Centauri forms. Closest star to the Sun.
29.8.2027 sunnuntai SN 2005ap supernova. Brightest supernova ever observed.
2.9.2027 torstai The Sun forms
2.9.2027 torstai Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
3.9.2027 perjantai Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
6.9.2027 maanantai Oceans form on Earth. Asteroids bring water to Earth.
6.9.2027 maanantai First known minerals. Zircons form at Jack Hills, Australia.
10.9.2027 perjantai Mintaka forms. Right star of the Orion's Belt.
11.9.2027 - 19.9.2027 lauantai - sunnuntai Life emerges on Earth
14.9.2027 - 22.9.2027 tiistai - keskiviikko Late Heavy Bombardment
14.9.2027 tiistai Earliest known rock. (Aggregate of minerals).
17.9.2027 perjantai Greenstone rock belt
22.9.2027 keskiviikko Oldest banded iron formation
27.9.2027 maanantai Vaalbara supercontinent emerges
30.9.2027 torstai Last universal ancestor. Split between bacteria and archaea.
30.9.2027 torstai Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
5.10.2027 tiistai Compressional tectonics
6.10.2027 keskiviikko Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
8.10.2027 perjantai Ur supercontinent forms
8.10.2027 perjantai Anoxygenic photosynthesis developed by bacteria
11.10.2027 maanantai First land bacteria
13.10.2027 keskiviikko Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16.10.2027 lauantai Zeta Reticuli forms
16.10.2027 lauantai Kenorland supercontinent emerges
16.10.2027 lauantai Tides decline below 1000 ft / 300 m
18.10.2027 maanantai Vaalbara supercontinent breaks up
21.10.2027 torstai Major komatiite eruption
21.10.2027 torstai First eukaryotes emerge. Early estimate.
24.10.2027 sunnuntai Oldest known giant carbonate platform
25.10.2027 maanantai Zeta Puppis forms
26.10.2027 tiistai Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26.10.2027 tiistai Movement of the tectonic plates commences
29.10.2027 perjantai Suavjarvi impact event left oldest still recognizable crater
29.10.2027 - 5.11.2027 perjantai - perjantai Huronian glaciation. First snowball earth period.
1.11.2027 maanantai Continental red beds form
3.11.2027 keskiviikko Atmospheric oxygen level surpasses one percent
3.11.2027 keskiviikko Ozone layer forms
6.11.2027 lauantai Earliest known eukaryote fossils (acritarchs)
6.11.2027 lauantai Earliest multicellular life. Francevillian Group Fossil.
8.11.2027 maanantai Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11.11.2027 torstai Atmospheric oxygen level surpasses 15 percent
11.11.2027 torstai Natural nuclear reactor forms in Oklo, Gabon
13.11.2027 lauantai Sudbury impact, event left a 160 mi / 260 km crater
14.11.2027 sunnuntai Supercontinent Columbia forms
15.11.2027 maanantai Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
17.11.2027 keskiviikko Oldest sand dune ergs
19.11.2027 perjantai Mitochondria assimilate into eukaryotic cells
22.11.2027 maanantai Supercontinent Columbia breaks up
23.11.2027 tiistai Geologic platform covers expand
24.11.2027 keskiviikko Population of stromatolites rapidly rises
25.11.2027 torstai Procyon forms. Brightest star in Canis Minor.
27.11.2027 lauantai Greenville orogeny starts
30.11.2027 tiistai Supercontinent Rodinia forms
30.11.2027 tiistai Bangiomorpha pubescens. First sexually reproducing organism.
1.12.2027 keskiviikko Population explosion of eukaryotes
2.12.2027 torstai Earliest flagellate protists
9.12.2027 torstai Population of stromatolites starts to decline
10.12.2027 perjantai Protista population explodes
11.12.2027 lauantai Kaigas glaciation. Snowball earth period.
12.12.2027 sunnuntai Supercontinent Rodinia breaks apart
12.12.2027 - 14.12.2027 sunnuntai - tiistai Sturtian glaciation. Snowball earth period.
14.12.2027 tiistai Marinoan glaciation. Snowball earth period.
16.12.2027 torstai Fossilized worm impressions in China
16.12.2027 torstai Avalon explosion. Ediacaran fauna emerges.
17.12.2027 perjantai Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18.12.2027 lauantai First trilobites
20.12.2027 maanantai 2.20 Plants and arthropods colonize the land
20.12.2027 maanantai 5.31 Ordovician extinction event. 60% of all species go extinct.
20.12.2027 maanantai 21.23 First air-breathing animals
21.12.2027 tiistai 13.15 First tetrapods
21.12.2027 tiistai 22.46 First tree-like plants
22.12.2027 keskiviikko 5.07 Late Devonian extinction. 70% of all species go extinct.
23.12.2027 torstai 6.31 First amniotes
23.12.2027 torstai 12.52 First reptiles
23.12.2027 torstai 22.23 Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24.12.2027 perjantai 1.33 Pangaea forms. Last supercontinent.
25.12.2027 lauantai 8.40 Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25.12.2027 lauantai 9.18 Sirius forms . Brightest star in the night sky.
25.12.2027 lauantai 21.21 First dinosaurs
26.12.2027 sunnuntai 1.10 First mammals
26.12.2027 sunnuntai 16.24 Triassic extinction event. 75% of all species go extinct.
26.12.2027 sunnuntai 23.23 First giant sauropods
27.12.2027 maanantai 5.44 Pangaea splits into Laurasia and Gondwana
27.12.2027 maanantai 8.16 First stegosaurs
27.12.2027 maanantai 21.36 First birds
28.12.2027 tiistai 3.57 Madagascar splits from Africa
28.12.2027 tiistai 13.28 First flowering plants
28.12.2027 tiistai 13.28 Laurasia and Gondwana begin to drift apart
29.12.2027 keskiviikko 4.42 Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29.12.2027 keskiviikko 8.31 First bees
29.12.2027 keskiviikko 14.52 Indian subcontinent splits from Gondwana
29.12.2027 keskiviikko 21.13 Australia splits from Antarctica
30.12.2027 torstai 4.50 Tyrannosaurus rex evolves
30.12.2027 torstai 6.06 Cretaceous extinction event. 75% of all species vanish.
30.12.2027 torstai 9.54 First primates evolve
30.12.2027 torstai 13.05 First modern birds
30.12.2027 torstai 16.15 Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30.12.2027 torstai 18.09 Whales return to the water
30.12.2027 torstai 22.36 Antarctic ice cap begins to grow
31.12.2027 perjantai 1.46 Grasslands become widespread
31.12.2027 perjantai 4.57 South America separates from Antarctica
31.12.2027 perjantai 7.29 First elephants. Eritreum melakeghebrekristosi.
31.12.2027 perjantai 12.34 Divergence of great apes and lesser apes
31.12.2027 perjantai 14.28 First bovids
31.12.2027 perjantai 17.01 First large horses
31.12.2027 perjantai 18.55 Rigel forms. Brightest star in Orion.
31.12.2027 perjantai 19.14 Betelgeuse forms. Second brightest star in Orion.
31.12.2027 perjantai 20.11 Last common ancestor humans and chimpanzees
31.12.2027 perjantai 20.13 - 20.36 Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31.12.2027 perjantai 21.27 Australopithecus evolves
31.12.2027 perjantai 22.05 Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31.12.2027 perjantai 22.24 Current ice age begins
31.12.2027 perjantai 22.36 First members of the genus Homo appear
31.12.2027 perjantai 23.02 First controlled use of fire by Homo erectus
31.12.2027 perjantai 23.30 Last reversal of the Earth's magnetic field
31.12.2027 perjantai 23.35 Yellowstone Caldera erupts
31.12.2027 perjantai 23.40 Earliest human engravings. Zig-zag patterns on shells in Java.
31.12.2027 perjantai 23.48 Earliest instances of burial
31.12.2027 perjantai 23.50 Neanderthals evolve
31.12.2027 perjantai 23.52 Anatomically modern humans appear in Africa
31.12.2027 perjantai 23.56 Humans begin migrating out of Africa
31.12.2027 perjantai 23.57 Toba supervolcanic eruption. Human population falls to 10,000.
31.12.2027 perjantai 23.58 23:58:40 Neanderthals go extinct
31.12.2027 perjantai 23.59 23:59:25 First domesticated dogs
31.12.2027 perjantai 23.59 23:59:39 Beginning of agriculture
31.12.2027 perjantai 23.59 23:59:46 Wheel invented
31.12.2027 perjantai 23.59 23:59:48 Writing invented
31.12.2027 perjantai 23.59 23:59:49 Great Pyramid
31.12.2027 perjantai 23.59 23:59:52 Iron Age begins
31.12.2027 perjantai 23.59 23:59:55 Julius Caesar
31.12.2027 perjantai 23.59 23:59:58 Galileo Galilei
31.12.2027 perjantai 23.59 23:59:59 Charles Darwin