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
1/1/28 शनिवार The Big Bang. Beginning of the space and time.
4/1/28 मंगलवार Methuselah star. Oldest known star in the universe.
6/1/28 - 24/1/28 गुरुवार - सोमवार Reionization era. Early stars start ionizing interstellar gas.
8/1/28 शनिवार First black holes form
14/1/28 शुक्रवार Mass star formation. Universe starts to heat once again.
16/1/28 रविवार First galaxies form
17/1/28 सोमवार GRB 090423. Oldest gamma ray burst ever observed.
22/1/28 शनिवार Hubble ultra deep field
26/1/28 बुधवार Quasar CFHQS J2329-0301. Oldest known quasar.
30/1/28 रविवार PST B1620-26. Oldest known exoplanet.
1/2/28 मंगलवार Milky Way forms
15/2/28 मंगलवार GRB 140419A supernova. Second oldest gamma ray burst.
25/2/28 शुक्रवार BX442 galaxy. Oldest known spiral galaxy.
1/3/28 बुधवार Kapteyn b. Oldest known exoplanet lying within the habitable zone.
4/3/28 शनिवार Milky Way's cosmic halo forms
15/3/28 बुधवार Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
28/3/28 मंगलवार Oldest population I stars. First stars abundant in metals.
31/3/28 शुक्रवार Universe becomes habitable. First life-friendly star systems emerge.
13/4/28 गुरुवार JKCS 041. Oldest galactic cluster.
18/4/28 मंगलवार Universe reaches 1/3 of its present diameter
21/4/28 शुक्रवार Milky Way star formation rate stabilizes
28/4/28 शुक्रवार Barnard's star forms. Oldest close solar neighbor.
7/5/28 रविवार Oldest known evidence for dark energy
12/5/28 शुक्रवार Milky Way's thin disk starts to form
20/5/28 शनिवार Lalande 21185
23/5/28 मंगलवार Lacaille 9352
2/6/28 शुक्रवार Milky Way star formation rate begins to decline
8/6/28 गुरुवार Mizar forms
16/6/28 शुक्रवार GRB 080319B. Most powerful gamma ray burst ever observed by humans.
16/6/28 शुक्रवार Arcturus forms. 4th brightest star in the night sky.
26/6/28 सोमवार Universe cools below 5 K
29/6/28 गुरुवार Growth of large galaxies slows
2/7/28 रविवार 1/2 the age of the Universe
4/7/28 मंगलवार Alpha Centauri forms. Closest star system to the Sun.
7/7/28 शुक्रवार Alnitak forms. Left star of the Orion's Belt.
12/7/28 बुधवार Milky Way starts spiralizing
15/7/28 शनिवार Age of an average earth-like planet
20/7/28 गुरुवार 61 Cygni forms
25/7/28 मंगलवार Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
31/7/28 सोमवार Tau Ceti forms
8/8/28 मंगलवार Solar nebula starts collapsing
8/8/28 मंगलवार Milky way becomes a spiral galaxy
16/8/28 बुधवार Gliese 570 forms
25/8/28 शुक्रवार Proxima Centauri forms. Closest star to the Sun.
29/8/28 मंगलवार SN 2005ap supernova. Brightest supernova ever observed.
1/9/28 शुक्रवार The Sun forms
2/9/28 शनिवार Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
2/9/28 शनिवार Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
6/9/28 बुधवार Oceans form on Earth. Asteroids bring water to Earth.
6/9/28 बुधवार First known minerals. Zircons form at Jack Hills, Australia.
10/9/28 रविवार Mintaka forms. Right star of the Orion's Belt.
11/9/28 - 19/9/28 सोमवार - मंगलवार Life emerges on Earth
13/9/28 - 22/9/28 बुधवार - शुक्रवार Late Heavy Bombardment
14/9/28 गुरुवार Earliest known rock. (Aggregate of minerals).
16/9/28 शनिवार Greenstone rock belt
22/9/28 शुक्रवार Oldest banded iron formation
27/9/28 बुधवार Vaalbara supercontinent emerges
30/9/28 शनिवार Last universal ancestor. Split between bacteria and archaea.
30/9/28 शनिवार Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
5/10/28 गुरुवार Compressional tectonics
6/10/28 शुक्रवार Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
8/10/28 रविवार Ur supercontinent forms
8/10/28 रविवार Anoxygenic photosynthesis developed by bacteria
10/10/28 मंगलवार First land bacteria
13/10/28 शुक्रवार Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
16/10/28 सोमवार Zeta Reticuli forms
16/10/28 सोमवार Kenorland supercontinent emerges
16/10/28 सोमवार Tides decline below 1000 ft / 300 m
18/10/28 बुधवार Vaalbara supercontinent breaks up
21/10/28 शनिवार Major komatiite eruption
21/10/28 शनिवार First eukaryotes emerge. Early estimate.
24/10/28 मंगलवार Oldest known giant carbonate platform
25/10/28 बुधवार Zeta Puppis forms
26/10/28 गुरुवार Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
26/10/28 गुरुवार Movement of the tectonic plates commences
29/10/28 रविवार Suavjarvi impact event left oldest still recognizable crater
29/10/28 - 4/11/28 रविवार - शनिवार Huronian glaciation. First snowball earth period.
1/11/28 बुधवार Continental red beds form
3/11/28 शुक्रवार Atmospheric oxygen level surpasses one percent
3/11/28 शुक्रवार Ozone layer forms
6/11/28 सोमवार Earliest known eukaryote fossils (acritarchs)
6/11/28 सोमवार Earliest multicellular life. Francevillian Group Fossil.
8/11/28 बुधवार Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
11/11/28 शनिवार Atmospheric oxygen level surpasses 15 percent
11/11/28 शनिवार Natural nuclear reactor forms in Oklo, Gabon
12/11/28 रविवार Sudbury impact, event left a 160 mi / 260 km crater
14/11/28 मंगलवार Supercontinent Columbia forms
15/11/28 बुधवार Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
16/11/28 गुरुवार Oldest sand dune ergs
19/11/28 रविवार Mitochondria assimilate into eukaryotic cells
22/11/28 बुधवार Supercontinent Columbia breaks up
23/11/28 गुरुवार Geologic platform covers expand
24/11/28 शुक्रवार Population of stromatolites rapidly rises
25/11/28 शनिवार Procyon forms. Brightest star in Canis Minor.
27/11/28 सोमवार Greenville orogeny starts
30/11/28 गुरुवार Supercontinent Rodinia forms
30/11/28 गुरुवार Bangiomorpha pubescens. First sexually reproducing organism.
1/12/28 शुक्रवार Population explosion of eukaryotes
2/12/28 शनिवार Earliest flagellate protists
9/12/28 शनिवार Population of stromatolites starts to decline
10/12/28 रविवार Protista population explodes
11/12/28 सोमवार Kaigas glaciation. Snowball earth period.
12/12/28 मंगलवार Supercontinent Rodinia breaks apart
12/12/28 - 14/12/28 मंगलवार - गुरुवार Sturtian glaciation. Snowball earth period.
14/12/28 गुरुवार Marinoan glaciation. Snowball earth period.
16/12/28 शनिवार Fossilized worm impressions in China
16/12/28 शनिवार Avalon explosion. Ediacaran fauna emerges.
17/12/28 रविवार Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
18/12/28 सोमवार First trilobites
20/12/28 बुधवार 1:33 am Plants and arthropods colonize the land
20/12/28 बुधवार 4:44 am Ordovician extinction event. 60% of all species go extinct.
20/12/28 बुधवार 8:39 pm First air-breathing animals
21/12/28 गुरुवार 12:34 pm First tetrapods
21/12/28 गुरुवार 10:07 pm First tree-like plants
22/12/28 शुक्रवार 4:29 am Late Devonian extinction. 70% of all species go extinct.
23/12/28 शनिवार 5:56 am First amniotes
23/12/28 शनिवार 12:18 pm First reptiles
23/12/28 शनिवार 9:51 pm Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
24/12/28 रविवार 1:02 am Pangaea forms. Last supercontinent.
25/12/28 सोमवार 8:13 am Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
25/12/28 सोमवार 8:52 am Sirius forms . Brightest star in the night sky.
25/12/28 सोमवार 8:57 pm First dinosaurs
26/12/28 मंगलवार 12:46 am First mammals
26/12/28 मंगलवार 4:03 pm Triassic extinction event. 75% of all species go extinct.
26/12/28 मंगलवार 11:03 pm First giant sauropods
27/12/28 बुधवार 5:25 am Pangaea splits into Laurasia and Gondwana
27/12/28 बुधवार 7:58 am First stegosaurs
27/12/28 बुधवार 9:20 pm First birds
28/12/28 गुरुवार 3:42 am Madagascar splits from Africa
28/12/28 गुरुवार 1:15 pm First flowering plants
28/12/28 गुरुवार 1:15 pm Laurasia and Gondwana begin to drift apart
29/12/28 शुक्रवार 4:31 am Spinosaurus evolves. Largest of all carnivorous dinosaurs.
29/12/28 शुक्रवार 8:20 am First bees
29/12/28 शुक्रवार 2:42 pm Indian subcontinent splits from Gondwana
29/12/28 शुक्रवार 9:04 pm Australia splits from Antarctica
30/12/28 शनिवार 4:42 am Tyrannosaurus rex evolves
30/12/28 शनिवार 5:59 am Cretaceous extinction event. 75% of all species vanish.
30/12/28 शनिवार 9:48 am First primates evolve
30/12/28 शनिवार 12:59 pm First modern birds
30/12/28 शनिवार 4:10 pm Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
30/12/28 शनिवार 6:05 pm Whales return to the water
30/12/28 शनिवार 10:32 pm Antarctic ice cap begins to grow
31/12/28 रविवार 1:43 am Grasslands become widespread
31/12/28 रविवार 4:54 am South America separates from Antarctica
31/12/28 रविवार 7:27 am First elephants. Eritreum melakeghebrekristosi.
31/12/28 रविवार 12:32 pm Divergence of great apes and lesser apes
31/12/28 रविवार 2:27 pm First bovids
31/12/28 रविवार 4:59 pm First large horses
31/12/28 रविवार 6:54 pm Rigel forms. Brightest star in Orion.
31/12/28 रविवार 7:13 pm Betelgeuse forms. Second brightest star in Orion.
31/12/28 रविवार 8:10 pm Last common ancestor humans and chimpanzees
31/12/28 रविवार 8:12 pm - 8:36 pm Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
31/12/28 रविवार 9:27 pm Australopithecus evolves
31/12/28 रविवार 10:05 pm Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
31/12/28 रविवार 10:24 pm Current ice age begins
31/12/28 रविवार 10:35 pm First members of the genus Homo appear
31/12/28 रविवार 11:02 pm First controlled use of fire by Homo erectus
31/12/28 रविवार 11:30 pm Last reversal of the Earth's magnetic field
31/12/28 रविवार 11:35 pm Yellowstone Caldera erupts
31/12/28 रविवार 11:40 pm Earliest human engravings. Zig-zag patterns on shells in Java.
31/12/28 रविवार 11:48 pm Earliest instances of burial
31/12/28 रविवार 11:50 pm Neanderthals evolve
31/12/28 रविवार 11:52 pm Anatomically modern humans appear in Africa
31/12/28 रविवार 11:56 pm Humans begin migrating out of Africa
31/12/28 रविवार 11:57 pm Toba supervolcanic eruption. Human population falls to 10,000.
31/12/28 रविवार 11:58 pm 23:58:39 Neanderthals go extinct
31/12/28 रविवार 11:59 pm 23:59:25 First domesticated dogs
31/12/28 रविवार 11:59 pm 23:59:39 Beginning of agriculture
31/12/28 रविवार 11:59 pm 23:59:46 Wheel invented
31/12/28 रविवार 11:59 pm 23:59:48 Writing invented
31/12/28 रविवार 11:59 pm 23:59:49 Great Pyramid
31/12/28 रविवार 11:59 pm 23:59:52 Iron Age begins
31/12/28 रविवार 11:59 pm 23:59:55 Julius Caesar
31/12/28 रविवार 11:59 pm 23:59:58 Galileo Galilei
31/12/28 रविवार 11:59 pm 23:59:59 Charles Darwin