उल्का बौछार
ब्रह्मांड समयरेखा
रॉकेट लॉन्च
अधिक

ब्रह्मांड समयरेखा 4.8

ब्रह्मांड के इतिहास को एक वर्ष में संपीड़ित करता है।
अपने कैलेंडर में 'ब्रह्मांड समयरेखा' जोड़ें अधिक कैलेंडर
अभी 2025 2026 2027 2028
तारीख सप्ताह के दिन समय प्रतिस्पर्धा
1/1/25 बुधवार The Big Bang. Beginning of the space and time.
4/1/25 शनिवार Methuselah star. Oldest known star in the universe.
6/1/25 - 24/1/25 सोमवार - शुक्रवार Reionization era. Early stars start ionizing interstellar gas.
8/1/25 बुधवार First black holes form
14/1/25 मंगलवार Mass star formation. Universe starts to heat once again.
16/1/25 गुरुवार First galaxies form
17/1/25 शुक्रवार GRB 090423. Oldest gamma ray burst ever observed.
22/1/25 बुधवार Hubble ultra deep field
26/1/25 रविवार Quasar CFHQS J2329-0301. Oldest known quasar.
30/1/25 गुरुवार PST B1620-26. Oldest known exoplanet.
1/2/25 शनिवार Milky Way forms
14/2/25 शुक्रवार GRB 140419A supernova. Second oldest gamma ray burst.
25/2/25 मंगलवार BX442 galaxy. Oldest known spiral galaxy.
2/3/25 रविवार Kapteyn b. Oldest known exoplanet lying within the habitable zone.
5/3/25 बुधवार Milky Way's cosmic halo forms
16/3/25 रविवार Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
29/3/25 शनिवार Oldest population I stars. First stars abundant in metals.
31/3/25 सोमवार Universe becomes habitable. First life-friendly star systems emerge.
14/4/25 सोमवार JKCS 041. Oldest galactic cluster.
19/4/25 शनिवार Universe reaches 1/3 of its present diameter
22/4/25 मंगलवार Milky Way star formation rate stabilizes
28/4/25 सोमवार Barnard's star forms. Oldest close solar neighbor.
7/5/25 बुधवार Oldest known evidence for dark energy
13/5/25 मंगलवार Milky Way's thin disk starts to form
21/5/25 बुधवार Lalande 21185
23/5/25 शुक्रवार Lacaille 9352
3/6/25 मंगलवार Milky Way star formation rate begins to decline
8/6/25 रविवार Mizar forms
16/6/25 सोमवार GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16/6/25 सोमवार Arcturus forms. 4th brightest star in the night sky.
27/6/25 शुक्रवार Universe cools below 5 K
29/6/25 रविवार Growth of large galaxies slows
2/7/25 बुधवार 1/2 the age of the Universe
5/7/25 शनिवार Alpha Centauri forms. Closest star system to the Sun.
7/7/25 सोमवार Alnitak forms. Left star of the Orion's Belt.
13/7/25 रविवार Milky Way starts spiralizing
15/7/25 मंगलवार Age of an average earth-like planet
21/7/25 सोमवार 61 Cygni forms
26/7/25 शनिवार Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31/7/25 गुरुवार Tau Ceti forms
8/8/25 शुक्रवार Solar nebula starts collapsing
8/8/25 शुक्रवार Milky way becomes a spiral galaxy
16/8/25 शनिवार Gliese 570 forms
25/8/25 सोमवार Proxima Centauri forms. Closest star to the Sun.
29/8/25 शुक्रवार SN 2005ap supernova. Brightest supernova ever observed.
2/9/25 मंगलवार The Sun forms
2/9/25 मंगलवार Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
3/9/25 बुधवार Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
6/9/25 शनिवार Oceans form on Earth. Asteroids bring water to Earth.
6/9/25 शनिवार First known minerals. Zircons form at Jack Hills, Australia.
10/9/25 बुधवार Mintaka forms. Right star of the Orion's Belt.
11/9/25 - 19/9/25 गुरुवार - शुक्रवार Life emerges on Earth
14/9/25 - 22/9/25 रविवार - सोमवार Late Heavy Bombardment
14/9/25 रविवार Earliest known rock. (Aggregate of minerals).
17/9/25 बुधवार Greenstone rock belt
22/9/25 सोमवार Oldest banded iron formation
27/9/25 शनिवार Vaalbara supercontinent emerges
30/9/25 मंगलवार Last universal ancestor. Split between bacteria and archaea.
30/9/25 मंगलवार Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
5/10/25 रविवार Compressional tectonics
6/10/25 सोमवार Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
8/10/25 बुधवार Ur supercontinent forms
8/10/25 बुधवार Anoxygenic photosynthesis developed by bacteria
11/10/25 शनिवार First land bacteria
13/10/25 सोमवार Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16/10/25 गुरुवार Zeta Reticuli forms
16/10/25 गुरुवार Kenorland supercontinent emerges
16/10/25 गुरुवार Tides decline below 1000 ft / 300 m
18/10/25 शनिवार Vaalbara supercontinent breaks up
21/10/25 मंगलवार Major komatiite eruption
21/10/25 मंगलवार First eukaryotes emerge. Early estimate.
24/10/25 शुक्रवार Oldest known giant carbonate platform
25/10/25 शनिवार Zeta Puppis forms
26/10/25 रविवार Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26/10/25 रविवार Movement of the tectonic plates commences
29/10/25 बुधवार Suavjarvi impact event left oldest still recognizable crater
29/10/25 - 5/11/25 बुधवार - बुधवार Huronian glaciation. First snowball earth period.
1/11/25 शनिवार Continental red beds form
3/11/25 सोमवार Atmospheric oxygen level surpasses one percent
3/11/25 सोमवार Ozone layer forms
6/11/25 गुरुवार Earliest known eukaryote fossils (acritarchs)
6/11/25 गुरुवार Earliest multicellular life. Francevillian Group Fossil.
8/11/25 शनिवार Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11/11/25 मंगलवार Atmospheric oxygen level surpasses 15 percent
11/11/25 मंगलवार Natural nuclear reactor forms in Oklo, Gabon
13/11/25 गुरुवार Sudbury impact, event left a 160 mi / 260 km crater
14/11/25 शुक्रवार Supercontinent Columbia forms
15/11/25 शनिवार Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
17/11/25 सोमवार Oldest sand dune ergs
19/11/25 बुधवार Mitochondria assimilate into eukaryotic cells
22/11/25 शनिवार Supercontinent Columbia breaks up
23/11/25 रविवार Geologic platform covers expand
24/11/25 सोमवार Population of stromatolites rapidly rises
25/11/25 मंगलवार Procyon forms. Brightest star in Canis Minor.
27/11/25 गुरुवार Greenville orogeny starts
30/11/25 रविवार Supercontinent Rodinia forms
30/11/25 रविवार Bangiomorpha pubescens. First sexually reproducing organism.
1/12/25 सोमवार Population explosion of eukaryotes
2/12/25 मंगलवार Earliest flagellate protists
9/12/25 मंगलवार Population of stromatolites starts to decline
10/12/25 बुधवार Protista population explodes
11/12/25 गुरुवार Kaigas glaciation. Snowball earth period.
12/12/25 शुक्रवार Supercontinent Rodinia breaks apart
12/12/25 - 14/12/25 शुक्रवार - रविवार Sturtian glaciation. Snowball earth period.
14/12/25 रविवार Marinoan glaciation. Snowball earth period.
16/12/25 मंगलवार Fossilized worm impressions in China
16/12/25 मंगलवार Avalon explosion. Ediacaran fauna emerges.
17/12/25 बुधवार Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18/12/25 गुरुवार First trilobites
20/12/25 शनिवार 2:20 am Plants and arthropods colonize the land
20/12/25 शनिवार 5:31 am Ordovician extinction event. 60% of all species go extinct.
20/12/25 शनिवार 9:23 pm First air-breathing animals
21/12/25 रविवार 1:15 pm First tetrapods
21/12/25 रविवार 10:46 pm First tree-like plants
22/12/25 सोमवार 5:07 am Late Devonian extinction. 70% of all species go extinct.
23/12/25 मंगलवार 6:31 am First amniotes
23/12/25 मंगलवार 12:52 pm First reptiles
23/12/25 मंगलवार 10:23 pm Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24/12/25 बुधवार 1:33 am Pangaea forms. Last supercontinent.
25/12/25 गुरुवार 8:40 am Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25/12/25 गुरुवार 9:18 am Sirius forms . Brightest star in the night sky.
25/12/25 गुरुवार 9:21 pm First dinosaurs
26/12/25 शुक्रवार 1:10 am First mammals
26/12/25 शुक्रवार 4:24 pm Triassic extinction event. 75% of all species go extinct.
26/12/25 शुक्रवार 11:23 pm First giant sauropods
27/12/25 शनिवार 5:44 am Pangaea splits into Laurasia and Gondwana
27/12/25 शनिवार 8:16 am First stegosaurs
27/12/25 शनिवार 9:36 pm First birds
28/12/25 रविवार 3:57 am Madagascar splits from Africa
28/12/25 रविवार 1:28 pm First flowering plants
28/12/25 रविवार 1:28 pm Laurasia and Gondwana begin to drift apart
29/12/25 सोमवार 4:42 am Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29/12/25 सोमवार 8:31 am First bees
29/12/25 सोमवार 2:52 pm Indian subcontinent splits from Gondwana
29/12/25 सोमवार 9:13 pm Australia splits from Antarctica
30/12/25 मंगलवार 4:50 am Tyrannosaurus rex evolves
30/12/25 मंगलवार 6:06 am Cretaceous extinction event. 75% of all species vanish.
30/12/25 मंगलवार 9:54 am First primates evolve
30/12/25 मंगलवार 1:05 pm First modern birds
30/12/25 मंगलवार 4:15 pm Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30/12/25 मंगलवार 6:09 pm Whales return to the water
30/12/25 मंगलवार 10:36 pm Antarctic ice cap begins to grow
31/12/25 बुधवार 1:46 am Grasslands become widespread
31/12/25 बुधवार 4:57 am South America separates from Antarctica
31/12/25 बुधवार 7:29 am First elephants. Eritreum melakeghebrekristosi.
31/12/25 बुधवार 12:34 pm Divergence of great apes and lesser apes
31/12/25 बुधवार 2:28 pm First bovids
31/12/25 बुधवार 5:01 pm First large horses
31/12/25 बुधवार 6:55 pm Rigel forms. Brightest star in Orion.
31/12/25 बुधवार 7:14 pm Betelgeuse forms. Second brightest star in Orion.
31/12/25 बुधवार 8:11 pm Last common ancestor humans and chimpanzees
31/12/25 बुधवार 8:13 pm - 8:36 pm Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31/12/25 बुधवार 9:27 pm Australopithecus evolves
31/12/25 बुधवार 10:05 pm Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31/12/25 बुधवार 10:24 pm Current ice age begins
31/12/25 बुधवार 10:36 pm First members of the genus Homo appear
31/12/25 बुधवार 11:02 pm First controlled use of fire by Homo erectus
31/12/25 बुधवार 11:30 pm Last reversal of the Earth's magnetic field
31/12/25 बुधवार 11:35 pm Yellowstone Caldera erupts
31/12/25 बुधवार 11:40 pm Earliest human engravings. Zig-zag patterns on shells in Java.
31/12/25 बुधवार 11:48 pm Earliest instances of burial
31/12/25 बुधवार 11:50 pm Neanderthals evolve
31/12/25 बुधवार 11:52 pm Anatomically modern humans appear in Africa
31/12/25 बुधवार 11:56 pm Humans begin migrating out of Africa
31/12/25 बुधवार 11:57 pm Toba supervolcanic eruption. Human population falls to 10,000.
31/12/25 बुधवार 11:58 pm 23:58:40 Neanderthals go extinct
31/12/25 बुधवार 11:59 pm 23:59:25 First domesticated dogs
31/12/25 बुधवार 11:59 pm 23:59:39 Beginning of agriculture
31/12/25 बुधवार 11:59 pm 23:59:46 Wheel invented
31/12/25 बुधवार 11:59 pm 23:59:48 Writing invented
31/12/25 बुधवार 11:59 pm 23:59:49 Great Pyramid
31/12/25 बुधवार 11:59 pm 23:59:52 Iron Age begins
31/12/25 बुधवार 11:59 pm 23:59:55 Julius Caesar
31/12/25 बुधवार 11:59 pm 23:59:58 Galileo Galilei
31/12/25 बुधवार 11:59 pm 23:59:59 Charles Darwin