Rakettien laukaisut
Tähdenlennot
Universumin aikajana
Lisää

Universumin aikajana 4,8

Tiivistää universumin historian yhteen vuoteen.
Lisää 'Universumin aikajana' kalenteriisi Lisää kalentereita
Nyt 2025 2026 2027 2028
Päivämäärä Viikonpäivä Aika Tapahtuma
1.1.2028 lauantai The Big Bang. Beginning of the space and time.
4.1.2028 tiistai Methuselah star. Oldest known star in the universe.
6.1.2028 - 24.1.2028 torstai - maanantai Reionization era. Early stars start ionizing interstellar gas.
8.1.2028 lauantai First black holes form
14.1.2028 perjantai Mass star formation. Universe starts to heat once again.
16.1.2028 sunnuntai First galaxies form
17.1.2028 maanantai GRB 090423. Oldest gamma ray burst ever observed.
22.1.2028 lauantai Hubble ultra deep field
26.1.2028 keskiviikko Quasar CFHQS J2329-0301. Oldest known quasar.
30.1.2028 sunnuntai PST B1620-26. Oldest known exoplanet.
1.2.2028 tiistai Milky Way forms
15.2.2028 tiistai GRB 140419A supernova. Second oldest gamma ray burst.
25.2.2028 perjantai BX442 galaxy. Oldest known spiral galaxy.
1.3.2028 keskiviikko Kapteyn b. Oldest known exoplanet lying within the habitable zone.
4.3.2028 lauantai Milky Way's cosmic halo forms
15.3.2028 keskiviikko Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
28.3.2028 tiistai Oldest population I stars. First stars abundant in metals.
31.3.2028 perjantai Universe becomes habitable. First life-friendly star systems emerge.
13.4.2028 torstai JKCS 041. Oldest galactic cluster.
18.4.2028 tiistai Universe reaches 1/3 of its present diameter
21.4.2028 perjantai Milky Way star formation rate stabilizes
28.4.2028 perjantai Barnard's star forms. Oldest close solar neighbor.
7.5.2028 sunnuntai Oldest known evidence for dark energy
12.5.2028 perjantai Milky Way's thin disk starts to form
20.5.2028 lauantai Lalande 21185
23.5.2028 tiistai Lacaille 9352
2.6.2028 perjantai Milky Way star formation rate begins to decline
8.6.2028 torstai Mizar forms
16.6.2028 perjantai GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16.6.2028 perjantai Arcturus forms. 4th brightest star in the night sky.
26.6.2028 maanantai Universe cools below 5 K
29.6.2028 torstai Growth of large galaxies slows
2.7.2028 sunnuntai 1/2 the age of the Universe
4.7.2028 tiistai Alpha Centauri forms. Closest star system to the Sun.
7.7.2028 perjantai Alnitak forms. Left star of the Orion's Belt.
12.7.2028 keskiviikko Milky Way starts spiralizing
15.7.2028 lauantai Age of an average earth-like planet
20.7.2028 torstai 61 Cygni forms
25.7.2028 tiistai Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31.7.2028 maanantai Tau Ceti forms
8.8.2028 tiistai Solar nebula starts collapsing
8.8.2028 tiistai Milky way becomes a spiral galaxy
16.8.2028 keskiviikko Gliese 570 forms
25.8.2028 perjantai Proxima Centauri forms. Closest star to the Sun.
29.8.2028 tiistai SN 2005ap supernova. Brightest supernova ever observed.
1.9.2028 perjantai The Sun forms
2.9.2028 lauantai Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
2.9.2028 lauantai Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
6.9.2028 keskiviikko Oceans form on Earth. Asteroids bring water to Earth.
6.9.2028 keskiviikko First known minerals. Zircons form at Jack Hills, Australia.
10.9.2028 sunnuntai Mintaka forms. Right star of the Orion's Belt.
11.9.2028 - 19.9.2028 maanantai - tiistai Life emerges on Earth
13.9.2028 - 22.9.2028 keskiviikko - perjantai Late Heavy Bombardment
14.9.2028 torstai Earliest known rock. (Aggregate of minerals).
16.9.2028 lauantai Greenstone rock belt
22.9.2028 perjantai Oldest banded iron formation
27.9.2028 keskiviikko Vaalbara supercontinent emerges
30.9.2028 lauantai Last universal ancestor. Split between bacteria and archaea.
30.9.2028 lauantai Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
5.10.2028 torstai Compressional tectonics
6.10.2028 perjantai Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
8.10.2028 sunnuntai Ur supercontinent forms
8.10.2028 sunnuntai Anoxygenic photosynthesis developed by bacteria
10.10.2028 tiistai First land bacteria
13.10.2028 perjantai Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16.10.2028 maanantai Zeta Reticuli forms
16.10.2028 maanantai Kenorland supercontinent emerges
16.10.2028 maanantai Tides decline below 1000 ft / 300 m
18.10.2028 keskiviikko Vaalbara supercontinent breaks up
21.10.2028 lauantai Major komatiite eruption
21.10.2028 lauantai First eukaryotes emerge. Early estimate.
24.10.2028 tiistai Oldest known giant carbonate platform
25.10.2028 keskiviikko Zeta Puppis forms
26.10.2028 torstai Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26.10.2028 torstai Movement of the tectonic plates commences
29.10.2028 sunnuntai Suavjarvi impact event left oldest still recognizable crater
29.10.2028 - 4.11.2028 sunnuntai - lauantai Huronian glaciation. First snowball earth period.
1.11.2028 keskiviikko Continental red beds form
3.11.2028 perjantai Atmospheric oxygen level surpasses one percent
3.11.2028 perjantai Ozone layer forms
6.11.2028 maanantai Earliest known eukaryote fossils (acritarchs)
6.11.2028 maanantai Earliest multicellular life. Francevillian Group Fossil.
8.11.2028 keskiviikko Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11.11.2028 lauantai Atmospheric oxygen level surpasses 15 percent
11.11.2028 lauantai Natural nuclear reactor forms in Oklo, Gabon
12.11.2028 sunnuntai Sudbury impact, event left a 160 mi / 260 km crater
14.11.2028 tiistai Supercontinent Columbia forms
15.11.2028 keskiviikko Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
16.11.2028 torstai Oldest sand dune ergs
19.11.2028 sunnuntai Mitochondria assimilate into eukaryotic cells
22.11.2028 keskiviikko Supercontinent Columbia breaks up
23.11.2028 torstai Geologic platform covers expand
24.11.2028 perjantai Population of stromatolites rapidly rises
25.11.2028 lauantai Procyon forms. Brightest star in Canis Minor.
27.11.2028 maanantai Greenville orogeny starts
30.11.2028 torstai Supercontinent Rodinia forms
30.11.2028 torstai Bangiomorpha pubescens. First sexually reproducing organism.
1.12.2028 perjantai Population explosion of eukaryotes
2.12.2028 lauantai Earliest flagellate protists
9.12.2028 lauantai Population of stromatolites starts to decline
10.12.2028 sunnuntai Protista population explodes
11.12.2028 maanantai Kaigas glaciation. Snowball earth period.
12.12.2028 tiistai Supercontinent Rodinia breaks apart
12.12.2028 - 14.12.2028 tiistai - torstai Sturtian glaciation. Snowball earth period.
14.12.2028 torstai Marinoan glaciation. Snowball earth period.
16.12.2028 lauantai Fossilized worm impressions in China
16.12.2028 lauantai Avalon explosion. Ediacaran fauna emerges.
17.12.2028 sunnuntai Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18.12.2028 maanantai First trilobites
20.12.2028 keskiviikko 1.33 Plants and arthropods colonize the land
20.12.2028 keskiviikko 4.44 Ordovician extinction event. 60% of all species go extinct.
20.12.2028 keskiviikko 20.39 First air-breathing animals
21.12.2028 torstai 12.34 First tetrapods
21.12.2028 torstai 22.07 First tree-like plants
22.12.2028 perjantai 4.29 Late Devonian extinction. 70% of all species go extinct.
23.12.2028 lauantai 5.56 First amniotes
23.12.2028 lauantai 12.18 First reptiles
23.12.2028 lauantai 21.51 Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24.12.2028 sunnuntai 1.02 Pangaea forms. Last supercontinent.
25.12.2028 maanantai 8.13 Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25.12.2028 maanantai 8.52 Sirius forms . Brightest star in the night sky.
25.12.2028 maanantai 20.57 First dinosaurs
26.12.2028 tiistai 0.46 First mammals
26.12.2028 tiistai 16.03 Triassic extinction event. 75% of all species go extinct.
26.12.2028 tiistai 23.03 First giant sauropods
27.12.2028 keskiviikko 5.25 Pangaea splits into Laurasia and Gondwana
27.12.2028 keskiviikko 7.58 First stegosaurs
27.12.2028 keskiviikko 21.20 First birds
28.12.2028 torstai 3.42 Madagascar splits from Africa
28.12.2028 torstai 13.15 First flowering plants
28.12.2028 torstai 13.15 Laurasia and Gondwana begin to drift apart
29.12.2028 perjantai 4.31 Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29.12.2028 perjantai 8.20 First bees
29.12.2028 perjantai 14.42 Indian subcontinent splits from Gondwana
29.12.2028 perjantai 21.04 Australia splits from Antarctica
30.12.2028 lauantai 4.42 Tyrannosaurus rex evolves
30.12.2028 lauantai 5.59 Cretaceous extinction event. 75% of all species vanish.
30.12.2028 lauantai 9.48 First primates evolve
30.12.2028 lauantai 12.59 First modern birds
30.12.2028 lauantai 16.10 Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30.12.2028 lauantai 18.05 Whales return to the water
30.12.2028 lauantai 22.32 Antarctic ice cap begins to grow
31.12.2028 sunnuntai 1.43 Grasslands become widespread
31.12.2028 sunnuntai 4.54 South America separates from Antarctica
31.12.2028 sunnuntai 7.27 First elephants. Eritreum melakeghebrekristosi.
31.12.2028 sunnuntai 12.32 Divergence of great apes and lesser apes
31.12.2028 sunnuntai 14.27 First bovids
31.12.2028 sunnuntai 16.59 First large horses
31.12.2028 sunnuntai 18.54 Rigel forms. Brightest star in Orion.
31.12.2028 sunnuntai 19.13 Betelgeuse forms. Second brightest star in Orion.
31.12.2028 sunnuntai 20.10 Last common ancestor humans and chimpanzees
31.12.2028 sunnuntai 20.12 - 20.36 Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31.12.2028 sunnuntai 21.27 Australopithecus evolves
31.12.2028 sunnuntai 22.05 Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31.12.2028 sunnuntai 22.24 Current ice age begins
31.12.2028 sunnuntai 22.35 First members of the genus Homo appear
31.12.2028 sunnuntai 23.02 First controlled use of fire by Homo erectus
31.12.2028 sunnuntai 23.30 Last reversal of the Earth's magnetic field
31.12.2028 sunnuntai 23.35 Yellowstone Caldera erupts
31.12.2028 sunnuntai 23.40 Earliest human engravings. Zig-zag patterns on shells in Java.
31.12.2028 sunnuntai 23.48 Earliest instances of burial
31.12.2028 sunnuntai 23.50 Neanderthals evolve
31.12.2028 sunnuntai 23.52 Anatomically modern humans appear in Africa
31.12.2028 sunnuntai 23.56 Humans begin migrating out of Africa
31.12.2028 sunnuntai 23.57 Toba supervolcanic eruption. Human population falls to 10,000.
31.12.2028 sunnuntai 23.58 23:58:39 Neanderthals go extinct
31.12.2028 sunnuntai 23.59 23:59:25 First domesticated dogs
31.12.2028 sunnuntai 23.59 23:59:39 Beginning of agriculture
31.12.2028 sunnuntai 23.59 23:59:46 Wheel invented
31.12.2028 sunnuntai 23.59 23:59:48 Writing invented
31.12.2028 sunnuntai 23.59 23:59:49 Great Pyramid
31.12.2028 sunnuntai 23.59 23:59:52 Iron Age begins
31.12.2028 sunnuntai 23.59 23:59:55 Julius Caesar
31.12.2028 sunnuntai 23.59 23:59:58 Galileo Galilei
31.12.2028 sunnuntai 23.59 23:59:59 Charles Darwin