Cosmic, man

2 02 2013

The Universe. In a year

I do like this

The Universe in One Year was inspired by the late astronomer, Carl Sagan (1934-1996). Sagan was the first person to explain the history of the universe in one year-as a “Cosmic Calendar”-in his television series, Cosmos.

Looking at the calendar in a bit more detail:

Pre-December Dates

Big Bang January 1

Origin of Milky Way Galaxy May 1

Origin of the solar system September 9

Formation of the Earth September 14

Origin of life on Earth ~ September 25


December 31

Origin of Proconsul and Ramapithecus, probable ancestors of apes and men ~ 1:30 p.m.

First humans ~ 10:30 p.m.

Widespread use of stone tools 11:00 p.m.

Domestication of fire by Peking man 11:46 p.m.

Beginning of most recent glacial period 11:56 p.m.

Seafarers settle Australia 11:58 p.m.

Extensive cave painting in Europe 11:59 p.m.

Invention of agriculture 11:59:20 p.m.

Neolithic civilization; first cities 11:59:35 p.m.

First dynasties in Sumer, Ebla and Egypt; development of astronomy 11:59:50 p.m.

Invention of the alphabet; Akkadian Empire 11:59:51 p.m.

Hammurabic legal codes in Babylon; Middle Kingdom in Egypt 11:59:52 p.m.

Bronze metallurgy; Mycenaean culture; Trojan War; Olmec culture; invention of the compass 11:59:53 p.m.

Iron metallurgy; First Assyrian Empire; Kingdom of Israel; founding of Carthage by Phoenicia 11:59:54 p.m.

Asokan India; Ch’in Dynasty China; Periclean Athens; birth of Buddha 11:59:55 p.m.

Euclidean geometry; Archimedean physics; Ptolemaic astronomy; Roman Empire; birth of Christ 11:59:56 p.m.

Zero and decimals invented in Indian arithmetic; Rome falls; Birth of Islam and the Islamic Civilization 11:59:57 p.m.

Mayan civilization; Sung Dynasty China; Byzantine empire; Mongol invasion; Crusades 11:59:58 p.m.

Renaissance in Europe; voyages of discovery from Europe and from Ming Dynasty China; emergence of the experimental method in science 11:59:59 p.m.

Widespread development of science and technology; emergence of global culture; acquisition of the means of self-destruction of the human species; first steps in spacecraft planetary exploration and the search of extraterrestrial intelligence

Now: The first second of New Year’s Day


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