宇宙の歴史を1年のカレンダーに凝縮 2026-2027

宇宙のタイムライン 4.8

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Name: 宇宙のタイムライン
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宇宙のタイムライン

宇宙の歴史を1年に圧縮します。

日曜日	月曜日	火曜日	水曜日	木曜日	金曜日	土曜日
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	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

日曜日	月曜日	火曜日	水曜日	木曜日	金曜日	土曜日
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	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

日曜日	月曜日	火曜日	水曜日	木曜日	金曜日	土曜日
29	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

日曜日	月曜日	火曜日	水曜日	木曜日	金曜日	土曜日
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	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	1 Milky Way forms	2	3	4	5	6

日付	曜日	時間	イベント
2026/08/16	日曜日		Gliese 570 forms
2026/08/25	火曜日		Proxima Centauri forms. Closest star to the Sun.
2026/08/29	土曜日		SN 2005ap supernova. Brightest supernova ever observed.
2026/09/02	水曜日		The Sun forms
2026/09/02	水曜日		Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
2026/09/03	木曜日		Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
2026/09/06	日曜日		Oceans form on Earth. Asteroids bring water to Earth.
2026/09/06	日曜日		First known minerals. Zircons form at Jack Hills, Australia.
2026/09/10	木曜日		Mintaka forms. Right star of the Orion's Belt.
2026/09/11 - 2026/09/19	金曜日 - 土曜日		Life emerges on Earth
2026/09/14 - 2026/09/22	月曜日 - 火曜日		Late Heavy Bombardment
2026/09/14	月曜日		Earliest known rock. (Aggregate of minerals).
2026/09/17	木曜日		Greenstone rock belt
2026/09/22	火曜日		Oldest banded iron formation
2026/09/27	日曜日		Vaalbara supercontinent emerges
2026/09/30	水曜日		Last universal ancestor. Split between bacteria and archaea.
2026/09/30	水曜日		Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
2026/10/05	月曜日		Compressional tectonics
2026/10/06	火曜日		Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
2026/10/08	木曜日		Ur supercontinent forms
2026/10/08	木曜日		Anoxygenic photosynthesis developed by bacteria
2026/10/11	日曜日		First land bacteria
2026/10/13	火曜日		Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
2026/10/16	金曜日		Zeta Reticuli forms
2026/10/16	金曜日		Kenorland supercontinent emerges
2026/10/16	金曜日		Tides decline below 1000 ft / 300 m
2026/10/18	日曜日		Vaalbara supercontinent breaks up
2026/10/21	水曜日		Major komatiite eruption
2026/10/21	水曜日		First eukaryotes emerge. Early estimate.
2026/10/24	土曜日		Oldest known giant carbonate platform
2026/10/25	日曜日		Zeta Puppis forms
2026/10/26	月曜日		Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
2026/10/26	月曜日		Movement of the tectonic plates commences
2026/10/29	木曜日		Suavjarvi impact event left oldest still recognizable crater
2026/10/29 - 2026/11/05	木曜日 - 木曜日		Huronian glaciation. First snowball earth period.
2026/11/01	日曜日		Continental red beds form
2026/11/03	火曜日		Atmospheric oxygen level surpasses one percent
2026/11/03	火曜日		Ozone layer forms
2026/11/06	金曜日		Earliest known eukaryote fossils (acritarchs)
2026/11/06	金曜日		Earliest multicellular life. Francevillian Group Fossil.
2026/11/08	日曜日		Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
2026/11/11	水曜日		Atmospheric oxygen level surpasses 15 percent
2026/11/11	水曜日		Natural nuclear reactor forms in Oklo, Gabon
2026/11/13	金曜日		Sudbury impact, event left a 160 mi / 260 km crater
2026/11/14	土曜日		Supercontinent Columbia forms
2026/11/15	日曜日		Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
2026/11/17	火曜日		Oldest sand dune ergs
2026/11/19	木曜日		Mitochondria assimilate into eukaryotic cells
2026/11/22	日曜日		Supercontinent Columbia breaks up
2026/11/23	月曜日		Geologic platform covers expand
2026/11/24	火曜日		Population of stromatolites rapidly rises
2026/11/25	水曜日		Procyon forms. Brightest star in Canis Minor.
2026/11/27	金曜日		Greenville orogeny starts
2026/11/30	月曜日		Supercontinent Rodinia forms
2026/11/30	月曜日		Bangiomorpha pubescens. First sexually reproducing organism.
2026/12/01	火曜日		Population explosion of eukaryotes
2026/12/02	水曜日		Earliest flagellate protists
2026/12/09	水曜日		Population of stromatolites starts to decline
2026/12/10	木曜日		Protista population explodes
2026/12/11	金曜日		Kaigas glaciation. Snowball earth period.
2026/12/12	土曜日		Supercontinent Rodinia breaks apart
2026/12/12 - 2026/12/14	土曜日 - 月曜日		Sturtian glaciation. Snowball earth period.
2026/12/14	月曜日		Marinoan glaciation. Snowball earth period.
2026/12/16	水曜日		Fossilized worm impressions in China
2026/12/16	水曜日		Avalon explosion. Ediacaran fauna emerges.
2026/12/17	木曜日		Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
2026/12/18	金曜日		First trilobites
2026/12/20	日曜日	2:20	Plants and arthropods colonize the land
2026/12/20	日曜日	5:31	Ordovician extinction event. 60% of all species go extinct.
2026/12/20	日曜日	21:23	First air-breathing animals
2026/12/21	月曜日	13:15	First tetrapods
2026/12/21	月曜日	22:46	First tree-like plants
2026/12/22	火曜日	5:07	Late Devonian extinction. 70% of all species go extinct.
2026/12/23	水曜日	6:31	First amniotes
2026/12/23	水曜日	12:52	First reptiles
2026/12/23	水曜日	22:23	Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
2026/12/24	木曜日	1:33	Pangaea forms. Last supercontinent.
2026/12/25	金曜日	8:40	Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
2026/12/25	金曜日	9:18	Sirius forms . Brightest star in the night sky.
2026/12/25	金曜日	21:21	First dinosaurs
2026/12/26	土曜日	1:10	First mammals
2026/12/26	土曜日	16:24	Triassic extinction event. 75% of all species go extinct.
2026/12/26	土曜日	23:23	First giant sauropods
2026/12/27	日曜日	5:44	Pangaea splits into Laurasia and Gondwana
2026/12/27	日曜日	8:16	First stegosaurs
2026/12/27	日曜日	21:36	First birds
2026/12/28	月曜日	3:57	Madagascar splits from Africa
2026/12/28	月曜日	13:28	First flowering plants
2026/12/28	月曜日	13:28	Laurasia and Gondwana begin to drift apart
2026/12/29	火曜日	4:42	Spinosaurus evolves. Largest of all carnivorous dinosaurs.
2026/12/29	火曜日	8:31	First bees
2026/12/29	火曜日	14:52	Indian subcontinent splits from Gondwana
2026/12/29	火曜日	21:13	Australia splits from Antarctica
2026/12/30	水曜日	4:50	Tyrannosaurus rex evolves
2026/12/30	水曜日	6:06	Cretaceous extinction event. 75% of all species vanish.
2026/12/30	水曜日	9:54	First primates evolve
2026/12/30	水曜日	13:05	First modern birds
2026/12/30	水曜日	16:15	Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
2026/12/30	水曜日	18:09	Whales return to the water
2026/12/30	水曜日	22:36	Antarctic ice cap begins to grow
2026/12/31	木曜日	1:46	Grasslands become widespread
2026/12/31	木曜日	4:57	South America separates from Antarctica
2026/12/31	木曜日	7:29	First elephants. Eritreum melakeghebrekristosi.
2026/12/31	木曜日	12:34	Divergence of great apes and lesser apes
2026/12/31	木曜日	14:28	First bovids
2026/12/31	木曜日	17:01	First large horses
2026/12/31	木曜日	18:55	Rigel forms. Brightest star in Orion.
2026/12/31	木曜日	19:14	Betelgeuse forms. Second brightest star in Orion.
2026/12/31	木曜日	20:11	Last common ancestor humans and chimpanzees
2026/12/31	木曜日	20:13 - 20:36	Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
2026/12/31	木曜日	21:27	Australopithecus evolves
2026/12/31	木曜日	22:05	Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
2026/12/31	木曜日	22:24	Current ice age begins
2026/12/31	木曜日	22:36	First members of the genus Homo appear
2026/12/31	木曜日	23:02	First controlled use of fire by Homo erectus
2026/12/31	木曜日	23:30	Last reversal of the Earth's magnetic field
2026/12/31	木曜日	23:35	Yellowstone Caldera erupts
2026/12/31	木曜日	23:40	Earliest human engravings. Zig-zag patterns on shells in Java.
2026/12/31	木曜日	23:48	Earliest instances of burial
2026/12/31	木曜日	23:50	Neanderthals evolve
2026/12/31	木曜日	23:52	Anatomically modern humans appear in Africa
2026/12/31	木曜日	23:56	Humans begin migrating out of Africa
2026/12/31	木曜日	23:57	Toba supervolcanic eruption. Human population falls to 10,000.
2026/12/31	木曜日	23:58	23:58:40 Neanderthals go extinct
2026/12/31	木曜日	23:59	23:59:25 First domesticated dogs
2026/12/31	木曜日	23:59	23:59:39 Beginning of agriculture
2026/12/31	木曜日	23:59	23:59:46 Wheel invented
2026/12/31	木曜日	23:59	23:59:48 Writing invented
2026/12/31	木曜日	23:59	23:59:49 Great Pyramid
2026/12/31	木曜日	23:59	23:59:52 Iron Age begins
2026/12/31	木曜日	23:59	23:59:55 Julius Caesar
2026/12/31	木曜日	23:59	23:59:58 Galileo Galilei
2026/12/31	木曜日	23:59	23:59:59 Charles Darwin
2027/01/01	金曜日		The Big Bang. Beginning of the space and time.
2027/01/04	月曜日		Methuselah star. Oldest known star in the universe.
2027/01/06 - 2027/01/24	水曜日 - 日曜日		Reionization era. Early stars start ionizing interstellar gas.
2027/01/08	金曜日		First black holes form
2027/01/14	木曜日		Mass star formation. Universe starts to heat once again.
2027/01/16	土曜日		First galaxies form
2027/01/17	日曜日		GRB 090423. Oldest gamma ray burst ever observed.
2027/01/22	金曜日		Hubble ultra deep field
2027/01/26	火曜日		Quasar CFHQS J2329-0301. Oldest known quasar.
2027/01/30	土曜日		PST B1620-26. Oldest known exoplanet.
2027/02/01	月曜日		Milky Way forms
2027/02/14	日曜日		GRB 140419A supernova. Second oldest gamma ray burst.
2027/02/25	木曜日		BX442 galaxy. Oldest known spiral galaxy.
2027/03/02	火曜日		Kapteyn b. Oldest known exoplanet lying within the habitable zone.
2027/03/05	金曜日		Milky Way's cosmic halo forms
2027/03/16	火曜日		Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
2027/03/29	月曜日		Oldest population I stars. First stars abundant in metals.
2027/03/31	水曜日		Universe becomes habitable. First life-friendly star systems emerge.
2027/04/14	水曜日		JKCS 041. Oldest galactic cluster.
2027/04/19	月曜日		Universe reaches 1/3 of its present diameter
2027/04/22	木曜日		Milky Way star formation rate stabilizes
2027/04/28	水曜日		Barnard's star forms. Oldest close solar neighbor.
2027/05/07	金曜日		Oldest known evidence for dark energy
2027/05/13	木曜日		Milky Way's thin disk starts to form
2027/05/21	金曜日		Lalande 21185
2027/05/23	日曜日		Lacaille 9352
2027/06/03	木曜日		Milky Way star formation rate begins to decline
2027/06/08	火曜日		Mizar forms
2027/06/16	水曜日		GRB 080319B. Most powerful gamma ray burst ever observed by humans.
2027/06/16	水曜日		Arcturus forms. 4th brightest star in the night sky.
2027/06/27	日曜日		Universe cools below 5 K
2027/06/29	火曜日		Growth of large galaxies slows
2027/07/02	金曜日		1/2 the age of the Universe
2027/07/05	月曜日		Alpha Centauri forms. Closest star system to the Sun.
2027/07/07	水曜日		Alnitak forms. Left star of the Orion's Belt.
2027/07/13	火曜日		Milky Way starts spiralizing
2027/07/15	木曜日		Age of an average earth-like planet
2027/07/21	水曜日		61 Cygni forms
2027/07/26	月曜日		Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
2027/07/31	土曜日		Tau Ceti forms
2027/08/08	日曜日		Solar nebula starts collapsing
2027/08/08	日曜日		Milky way becomes a spiral galaxy
2027/08/16	月曜日		Gliese 570 forms

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21
61 Cygni forms

26
Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.

31
Tau Ceti forms