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Universets tidslinje

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Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
29	30	1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21 61 Cygni forms	22	23	24	25	26 Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
27	28	29	30	31 Tau Ceti forms	1	2

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
27	28	29	30	31 Tau Ceti forms	1	2
3	4	5	6	7	8 Solar nebula starts collapsing Milky way becomes a spiral galaxy	9
10	11	12	13	14	15	16 Gliese 570 forms
17	18	19	20	21	22	23
24	25 Proxima Centauri forms. Closest star to the Sun.	26	27	28	29 SN 2005ap supernova. Brightest supernova ever observed.	30
31	1	2 The Sun forms Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.	3 Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.	4	5	6 Oceans form on Earth. Asteroids bring water to Earth.First known minerals. Zircons form at Jack Hills, Australia.

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
31	1	2 The Sun forms Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.	3 Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.	4	5	6 Oceans form on Earth. Asteroids bring water to Earth.First known minerals. Zircons form at Jack Hills, Australia.
7	8	9	10 Mintaka forms. Right star of the Orion's Belt.	11 Life emerges on Earth	12	13
14 Late Heavy Bombardment Earliest known rock. (Aggregate of minerals).	15	16	17 Greenstone rock belt	18	19	20
21	22 Oldest banded iron formation	23	24	25	26	27 Vaalbara supercontinent emerges
28	29	30 Last universal ancestor. Split between bacteria and archaea.Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.	1	2	3	4

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
28	29	30 Last universal ancestor. Split between bacteria and archaea.Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.	1	2	3	4
5 Compressional tectonics	6 Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.	7	8 Ur supercontinent forms Anoxygenic photosynthesis developed by bacteria	9	10	11 First land bacteria
12	13 Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.	14	15	16 Zeta Reticuli forms Kenorland supercontinent emerges Tides decline below 1000 ft / 300 m	17	18 Vaalbara supercontinent breaks up
19	20	21 Major komatiite eruption First eukaryotes emerge. Early estimate.	22	23	24 Oldest known giant carbonate platform	25 Zeta Puppis forms
26 Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.Movement of the tectonic plates commences	27	28	29 Suavjarvi impact event left oldest still recognizable crater Huronian glaciation. First snowball earth period.	30	31	1 Continental red beds form

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
26 Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.Movement of the tectonic plates commences	27	28	29 Suavjarvi impact event left oldest still recognizable crater Huronian glaciation. First snowball earth period.	30	31	1 Continental red beds form
2	3 Atmospheric oxygen level surpasses one percent Ozone layer forms	4	5	6 Earliest known eukaryote fossils (acritarchs)Earliest multicellular life. Francevillian Group Fossil.	7	8 Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
9	10	11 Atmospheric oxygen level surpasses 15 percent Natural nuclear reactor forms in Oklo, Gabon	12	13 Sudbury impact, event left a 160 mi / 260 km crater	14 Supercontinent Columbia forms	15 Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
16	17 Oldest sand dune ergs	18	19 Mitochondria assimilate into eukaryotic cells	20	21	22 Supercontinent Columbia breaks up
23 Geologic platform covers expand	24 Population of stromatolites rapidly rises	25 Procyon forms. Brightest star in Canis Minor.	26	27 Greenville orogeny starts	28	29
30 Supercontinent Rodinia forms Bangiomorpha pubescens. First sexually reproducing organism.	1 Population explosion of eukaryotes	2 Earliest flagellate protists	3	4	5	6

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
30 Supercontinent Rodinia forms Bangiomorpha pubescens. First sexually reproducing organism.	1 Population explosion of eukaryotes	2 Earliest flagellate protists	3	4	5	6
7	8	9 Population of stromatolites starts to decline	10 Protista population explodes	11 Kaigas glaciation. Snowball earth period.	12 Supercontinent Rodinia breaks apart Sturtian glaciation. Snowball earth period.	13
14 Marinoan glaciation. Snowball earth period.	15	16 Fossilized worm impressions in China Avalon explosion. Ediacaran fauna emerges.	17 Cambrian explosion. Exponential diversification of life, most major animal phyla appear.	18 First trilobites	19	20 Plants and arthropods colonize the land Ordovician extinction event. 60% of all species go extinct.First air-breathing animals
21 First tetrapods First tree-like plants	22 Late Devonian extinction. 70% of all species go extinct.	23 First amniotes First reptiles Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.	24 Pangaea forms. Last supercontinent.	25 Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.Sirius forms . Brightest star in the night sky.First dinosaurs	26 First mammals Triassic extinction event. 75% of all species go extinct.First giant sauropods	27 Pangaea splits into Laurasia and Gondwana First stegosaurs First birds
28 Madagascar splits from Africa First flowering plants Laurasia and Gondwana begin to drift apart	29 Spinosaurus evolves. Largest of all carnivorous dinosaurs.First bees Indian subcontinent splits from Gondwana Australia splits from Antarctica	30 Tyrannosaurus rex evolves Cretaceous extinction event. 75% of all species vanish.First primates evolve First modern birds Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.Whales return to the water Antarctic ice cap begins to grow	31 Grasslands become widespread South America separates from Antarctica First elephants. Eritreum melakeghebrekristosi.Divergence of great apes and lesser apes First bovids First large horses Rigel forms. Brightest star in Orion.Betelgeuse forms. Second brightest star in Orion.Last common ancestor humans and chimpanzees Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.Australopithecus evolves Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.Current ice age begins First members of the genus Homo appear First controlled use of fire by Homo erectus Last reversal of the Earth's magnetic field Yellowstone Caldera erupts Earliest human engravings. Zig-zag patterns on shells in Java.Earliest instances of burial Neanderthals evolve Anatomically modern humans appear in Africa Humans begin migrating out of Africa Toba supervolcanic eruption. Human population falls to 10,000.23:58:40 Neanderthals go extinct 23:59:25 First domesticated dogs 23:59:39 Beginning of agriculture 23:59:46 Wheel invented 23:59:48 Writing invented 23:59:49 Great Pyramid 23:59:52 Iron Age begins 23:59:55 Julius Caesar 23:59:58 Galileo Galilei 23:59:59 Charles Darwin	1 The Big Bang. Beginning of the space and time.	2	3

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
28 Madagascar splits from Africa First flowering plants Laurasia and Gondwana begin to drift apart	29 Spinosaurus evolves. Largest of all carnivorous dinosaurs.First bees Indian subcontinent splits from Gondwana Australia splits from Antarctica	30 Tyrannosaurus rex evolves Cretaceous extinction event. 75% of all species vanish.First primates evolve First modern birds Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.Whales return to the water Antarctic ice cap begins to grow	31 Grasslands become widespread South America separates from Antarctica First elephants. Eritreum melakeghebrekristosi.Divergence of great apes and lesser apes First bovids First large horses Rigel forms. Brightest star in Orion.Betelgeuse forms. Second brightest star in Orion.Last common ancestor humans and chimpanzees Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.Australopithecus evolves Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.Current ice age begins First members of the genus Homo appear First controlled use of fire by Homo erectus Last reversal of the Earth's magnetic field Yellowstone Caldera erupts Earliest human engravings. Zig-zag patterns on shells in Java.Earliest instances of burial Neanderthals evolve Anatomically modern humans appear in Africa Humans begin migrating out of Africa Toba supervolcanic eruption. Human population falls to 10,000.23:58:40 Neanderthals go extinct 23:59:25 First domesticated dogs 23:59:39 Beginning of agriculture 23:59:46 Wheel invented 23:59:48 Writing invented 23:59:49 Great Pyramid 23:59:52 Iron Age begins 23:59:55 Julius Caesar 23:59:58 Galileo Galilei 23:59:59 Charles Darwin	1 The Big Bang. Beginning of the space and time.	2	3
4 Methuselah star. Oldest known star in the universe.	5	6 Reionization era. Early stars start ionizing interstellar gas.	7	8 First black holes form	9	10
11	12	13	14 Mass star formation. Universe starts to heat once again.	15	16 First galaxies form	17 GRB 090423. Oldest gamma ray burst ever observed.
18	19	20	21	22 Hubble ultra deep field	23	24
25	26 Quasar CFHQS J2329-0301. Oldest known quasar.	27	28	29	30 PST B1620-26. Oldest known exoplanet.	31

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
1 Milky Way forms	2	3	4	5	6	7
8	9	10	11	12	13	14 GRB 140419A supernova. Second oldest gamma ray burst.
15	16	17	18	19	20	21
22	23	24	25 BX442 galaxy. Oldest known spiral galaxy.	26	27	28

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
1	2 Kapteyn b. Oldest known exoplanet lying within the habitable zone.	3	4	5 Milky Way's cosmic halo forms	6	7
8	9	10	11	12	13	14
15	16 Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.	17	18	19	20	21
22	23	24	25	26	27	28
29 Oldest population I stars. First stars abundant in metals.	30	31 Universe becomes habitable. First life-friendly star systems emerge.	1	2	3	4

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
29 Oldest population I stars. First stars abundant in metals.	30	31 Universe becomes habitable. First life-friendly star systems emerge.	1	2	3	4
5	6	7	8	9	10	11
12	13	14 JKCS 041. Oldest galactic cluster.	15	16	17	18
19 Universe reaches 1/3 of its present diameter	20	21	22 Milky Way star formation rate stabilizes	23	24	25
26	27	28 Barnard's star forms. Oldest close solar neighbor.	29	30	1	2

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
26	27	28 Barnard's star forms. Oldest close solar neighbor.	29	30	1	2
3	4	5	6	7 Oldest known evidence for dark energy	8	9
10	11	12	13 Milky Way's thin disk starts to form	14	15	16
17	18	19	20	21 Lalande 21185	22	23 Lacaille 9352
24	25	26	27	28	29	30
31	1	2	3 Milky Way star formation rate begins to decline	4	5	6

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
31	1	2	3 Milky Way star formation rate begins to decline	4	5	6
7	8 Mizar forms	9	10	11	12	13
14	15	16 GRB 080319B. Most powerful gamma ray burst ever observed by humans.Arcturus forms. 4th brightest star in the night sky.	17	18	19	20
21	22	23	24	25	26	27 Universe cools below 5 K
28	29 Growth of large galaxies slows	30	1	2 1/2 the age of the Universe	3	4

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
28	29 Growth of large galaxies slows	30	1	2 1/2 the age of the Universe	3	4
5 Alpha Centauri forms. Closest star system to the Sun.	6	7 Alnitak forms. Left star of the Orion's Belt.	8	9	10	11
12	13 Milky Way starts spiralizing	14	15 Age of an average earth-like planet	16	17	18
19	20	21 61 Cygni forms	22	23	24	25
26 Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.	27	28	29	30	31 Tau Ceti forms	1

Mandag	Tirsdag	Onsdag	Torsdag	Fredag	Lørdag	Søndag
26 Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.	27	28	29	30	31 Tau Ceti forms	1
2	3	4	5	6	7	8 Solar nebula starts collapsing Milky way becomes a spiral galaxy
9	10	11	12	13	14	15
16 Gliese 570 forms	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31	1	2	3	4	5

Dato	Ukedag	Tid	Hendelse
25.08.2026	tirsdag		Proxima Centauri forms. Closest star to the Sun.
29.08.2026	lørdag		SN 2005ap supernova. Brightest supernova ever observed.
02.09.2026	onsdag		The Sun forms
02.09.2026	onsdag		Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
03.09.2026	torsdag		Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
06.09.2026	søndag		Oceans form on Earth. Asteroids bring water to Earth.
06.09.2026	søndag		First known minerals. Zircons form at Jack Hills, Australia.
10.09.2026	torsdag		Mintaka forms. Right star of the Orion's Belt.
11.09.2026 - 19.09.2026	fredag - lørdag		Life emerges on Earth
14.09.2026 - 22.09.2026	mandag - tirsdag		Late Heavy Bombardment
14.09.2026	mandag		Earliest known rock. (Aggregate of minerals).
17.09.2026	torsdag		Greenstone rock belt
22.09.2026	tirsdag		Oldest banded iron formation
27.09.2026	søndag		Vaalbara supercontinent emerges
30.09.2026	onsdag		Last universal ancestor. Split between bacteria and archaea.
30.09.2026	onsdag		Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
05.10.2026	mandag		Compressional tectonics
06.10.2026	tirsdag		Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
08.10.2026	torsdag		Ur supercontinent forms
08.10.2026	torsdag		Anoxygenic photosynthesis developed by bacteria
11.10.2026	søndag		First land bacteria
13.10.2026	tirsdag		Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16.10.2026	fredag		Zeta Reticuli forms
16.10.2026	fredag		Kenorland supercontinent emerges
16.10.2026	fredag		Tides decline below 1000 ft / 300 m
18.10.2026	søndag		Vaalbara supercontinent breaks up
21.10.2026	onsdag		Major komatiite eruption
21.10.2026	onsdag		First eukaryotes emerge. Early estimate.
24.10.2026	lørdag		Oldest known giant carbonate platform
25.10.2026	søndag		Zeta Puppis forms
26.10.2026	mandag		Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26.10.2026	mandag		Movement of the tectonic plates commences
29.10.2026	torsdag		Suavjarvi impact event left oldest still recognizable crater
29.10.2026 - 05.11.2026	torsdag - torsdag		Huronian glaciation. First snowball earth period.
01.11.2026	søndag		Continental red beds form
03.11.2026	tirsdag		Atmospheric oxygen level surpasses one percent
03.11.2026	tirsdag		Ozone layer forms
06.11.2026	fredag		Earliest known eukaryote fossils (acritarchs)
06.11.2026	fredag		Earliest multicellular life. Francevillian Group Fossil.
08.11.2026	søndag		Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11.11.2026	onsdag		Atmospheric oxygen level surpasses 15 percent
11.11.2026	onsdag		Natural nuclear reactor forms in Oklo, Gabon
13.11.2026	fredag		Sudbury impact, event left a 160 mi / 260 km crater
14.11.2026	lørdag		Supercontinent Columbia forms
15.11.2026	søndag		Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
17.11.2026	tirsdag		Oldest sand dune ergs
19.11.2026	torsdag		Mitochondria assimilate into eukaryotic cells
22.11.2026	søndag		Supercontinent Columbia breaks up
23.11.2026	mandag		Geologic platform covers expand
24.11.2026	tirsdag		Population of stromatolites rapidly rises
25.11.2026	onsdag		Procyon forms. Brightest star in Canis Minor.
27.11.2026	fredag		Greenville orogeny starts
30.11.2026	mandag		Supercontinent Rodinia forms
30.11.2026	mandag		Bangiomorpha pubescens. First sexually reproducing organism.
01.12.2026	tirsdag		Population explosion of eukaryotes
02.12.2026	onsdag		Earliest flagellate protists
09.12.2026	onsdag		Population of stromatolites starts to decline
10.12.2026	torsdag		Protista population explodes
11.12.2026	fredag		Kaigas glaciation. Snowball earth period.
12.12.2026	lørdag		Supercontinent Rodinia breaks apart
12.12.2026 - 14.12.2026	lørdag - mandag		Sturtian glaciation. Snowball earth period.
14.12.2026	mandag		Marinoan glaciation. Snowball earth period.
16.12.2026	onsdag		Fossilized worm impressions in China
16.12.2026	onsdag		Avalon explosion. Ediacaran fauna emerges.
17.12.2026	torsdag		Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18.12.2026	fredag		First trilobites
20.12.2026	søndag	02:20	Plants and arthropods colonize the land
20.12.2026	søndag	05:31	Ordovician extinction event. 60% of all species go extinct.
20.12.2026	søndag	21:23	First air-breathing animals
21.12.2026	mandag	13:15	First tetrapods
21.12.2026	mandag	22:46	First tree-like plants
22.12.2026	tirsdag	05:07	Late Devonian extinction. 70% of all species go extinct.
23.12.2026	onsdag	06:31	First amniotes
23.12.2026	onsdag	12:52	First reptiles
23.12.2026	onsdag	22:23	Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24.12.2026	torsdag	01:33	Pangaea forms. Last supercontinent.
25.12.2026	fredag	08:40	Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25.12.2026	fredag	09:18	Sirius forms . Brightest star in the night sky.
25.12.2026	fredag	21:21	First dinosaurs
26.12.2026	lørdag	01:10	First mammals
26.12.2026	lørdag	16:24	Triassic extinction event. 75% of all species go extinct.
26.12.2026	lørdag	23:23	First giant sauropods
27.12.2026	søndag	05:44	Pangaea splits into Laurasia and Gondwana
27.12.2026	søndag	08:16	First stegosaurs
27.12.2026	søndag	21:36	First birds
28.12.2026	mandag	03:57	Madagascar splits from Africa
28.12.2026	mandag	13:28	First flowering plants
28.12.2026	mandag	13:28	Laurasia and Gondwana begin to drift apart
29.12.2026	tirsdag	04:42	Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29.12.2026	tirsdag	08:31	First bees
29.12.2026	tirsdag	14:52	Indian subcontinent splits from Gondwana
29.12.2026	tirsdag	21:13	Australia splits from Antarctica
30.12.2026	onsdag	04:50	Tyrannosaurus rex evolves
30.12.2026	onsdag	06:06	Cretaceous extinction event. 75% of all species vanish.
30.12.2026	onsdag	09:54	First primates evolve
30.12.2026	onsdag	13:05	First modern birds
30.12.2026	onsdag	16:15	Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30.12.2026	onsdag	18:09	Whales return to the water
30.12.2026	onsdag	22:36	Antarctic ice cap begins to grow
31.12.2026	torsdag	01:46	Grasslands become widespread
31.12.2026	torsdag	04:57	South America separates from Antarctica
31.12.2026	torsdag	07:29	First elephants. Eritreum melakeghebrekristosi.
31.12.2026	torsdag	12:34	Divergence of great apes and lesser apes
31.12.2026	torsdag	14:28	First bovids
31.12.2026	torsdag	17:01	First large horses
31.12.2026	torsdag	18:55	Rigel forms. Brightest star in Orion.
31.12.2026	torsdag	19:14	Betelgeuse forms. Second brightest star in Orion.
31.12.2026	torsdag	20:11	Last common ancestor humans and chimpanzees
31.12.2026	torsdag	20:13 - 20:36	Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31.12.2026	torsdag	21:27	Australopithecus evolves
31.12.2026	torsdag	22:05	Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31.12.2026	torsdag	22:24	Current ice age begins
31.12.2026	torsdag	22:36	First members of the genus Homo appear
31.12.2026	torsdag	23:02	First controlled use of fire by Homo erectus
31.12.2026	torsdag	23:30	Last reversal of the Earth's magnetic field
31.12.2026	torsdag	23:35	Yellowstone Caldera erupts
31.12.2026	torsdag	23:40	Earliest human engravings. Zig-zag patterns on shells in Java.
31.12.2026	torsdag	23:48	Earliest instances of burial
31.12.2026	torsdag	23:50	Neanderthals evolve
31.12.2026	torsdag	23:52	Anatomically modern humans appear in Africa
31.12.2026	torsdag	23:56	Humans begin migrating out of Africa
31.12.2026	torsdag	23:57	Toba supervolcanic eruption. Human population falls to 10,000.
31.12.2026	torsdag	23:58	23:58:40 Neanderthals go extinct
31.12.2026	torsdag	23:59	23:59:25 First domesticated dogs
31.12.2026	torsdag	23:59	23:59:39 Beginning of agriculture
31.12.2026	torsdag	23:59	23:59:46 Wheel invented
31.12.2026	torsdag	23:59	23:59:48 Writing invented
31.12.2026	torsdag	23:59	23:59:49 Great Pyramid
31.12.2026	torsdag	23:59	23:59:52 Iron Age begins
31.12.2026	torsdag	23:59	23:59:55 Julius Caesar
31.12.2026	torsdag	23:59	23:59:58 Galileo Galilei
31.12.2026	torsdag	23:59	23:59:59 Charles Darwin
01.01.2027	fredag		The Big Bang. Beginning of the space and time.
04.01.2027	mandag		Methuselah star. Oldest known star in the universe.
06.01.2027 - 24.01.2027	onsdag - søndag		Reionization era. Early stars start ionizing interstellar gas.
08.01.2027	fredag		First black holes form
14.01.2027	torsdag		Mass star formation. Universe starts to heat once again.
16.01.2027	lørdag		First galaxies form
17.01.2027	søndag		GRB 090423. Oldest gamma ray burst ever observed.
22.01.2027	fredag		Hubble ultra deep field
26.01.2027	tirsdag		Quasar CFHQS J2329-0301. Oldest known quasar.
30.01.2027	lørdag		PST B1620-26. Oldest known exoplanet.
01.02.2027	mandag		Milky Way forms
14.02.2027	søndag		GRB 140419A supernova. Second oldest gamma ray burst.
25.02.2027	torsdag		BX442 galaxy. Oldest known spiral galaxy.
02.03.2027	tirsdag		Kapteyn b. Oldest known exoplanet lying within the habitable zone.
05.03.2027	fredag		Milky Way's cosmic halo forms
16.03.2027	tirsdag		Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
29.03.2027	mandag		Oldest population I stars. First stars abundant in metals.
31.03.2027	onsdag		Universe becomes habitable. First life-friendly star systems emerge.
14.04.2027	onsdag		JKCS 041. Oldest galactic cluster.
19.04.2027	mandag		Universe reaches 1/3 of its present diameter
22.04.2027	torsdag		Milky Way star formation rate stabilizes
28.04.2027	onsdag		Barnard's star forms. Oldest close solar neighbor.
07.05.2027	fredag		Oldest known evidence for dark energy
13.05.2027	torsdag		Milky Way's thin disk starts to form
21.05.2027	fredag		Lalande 21185
23.05.2027	søndag		Lacaille 9352
03.06.2027	torsdag		Milky Way star formation rate begins to decline
08.06.2027	tirsdag		Mizar forms
16.06.2027	onsdag		GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16.06.2027	onsdag		Arcturus forms. 4th brightest star in the night sky.
27.06.2027	søndag		Universe cools below 5 K
29.06.2027	tirsdag		Growth of large galaxies slows
02.07.2027	fredag		1/2 the age of the Universe
05.07.2027	mandag		Alpha Centauri forms. Closest star system to the Sun.
07.07.2027	onsdag		Alnitak forms. Left star of the Orion's Belt.
13.07.2027	tirsdag		Milky Way starts spiralizing
15.07.2027	torsdag		Age of an average earth-like planet
21.07.2027	onsdag		61 Cygni forms
26.07.2027	mandag		Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31.07.2027	lørdag		Tau Ceti forms
08.08.2027	søndag		Solar nebula starts collapsing
08.08.2027	søndag		Milky way becomes a spiral galaxy
16.08.2027	mandag		Gliese 570 forms

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