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A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, the final minute, and the final second. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
This is the timeline of the Universe from Big Bang to Heat Death scenario. The different eras of the universe are shown. The heat death will occur in around 1.7×10 106 years, if protons decay .
Diagram of Evolution of the universe from the Big Bang (left) to the present. The timeline of the universe begins with the Big Bang, 13.799 ± 0.021 billion years ago, [1] and follows the formation and subsequent evolution of the Universe up to the present day. Each era or age of the universe begins with an "epoch", a time of significant change ...
From about 9.8 billion years of cosmic time, [16] the universe's large-scale behavior is believed to have gradually changed for the third time in its history. Its behavior had originally been dominated by radiation (relativistic constituents such as photons and neutrinos) for the first 47,000 years, and since about 370,000 years of cosmic time ...
Graphical timeline of the universe. Timeline uses linear time. Heat death of the universe; List of other end scenarios than Heat Death; 1 E19 s and more; Second law of thermodynamics; Ultimate fate of the Universe; The Last Question, story by Isaac Asimov which considers the oncome of heat death in the universe and how it may be reversed.
Since the universe is expanding, the equation for that expansion can be "run backwards" to its starting point. The Lambda-CDM concordance model describes the expansion of the universe from a very uniform, hot, dense primordial state to its present state over a span of about 13.77 billion years [12] of cosmological time.
Using AOL Calendar lets you keep track of your schedule with just a few clicks of a mouse. While accessing your calendar online gives you instant access to appointments and events, sometimes a physical copy of your calendar is needed. To print your calendar, just use the print functionality built into your browser.
c. 750 BCE – During the reign of Nabonassar (747–733 BC), the systematic records of ominous phenomena in Babylonian astronomical diaries that began at this time allowed for the discovery of a repeating 18-year cycle of lunar eclipses. [6] 776 BCE – Chinese make the earliest reliable record of a solar eclipse. [7] [failed verification]