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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.
Tyson was born in Manhattan as the second of three children, into a Catholic family living in the Bronx. [4] [5] His African-American father, Cyril deGrasse Tyson (1927–2016), was a sociologist and human resource commissioner for New York City mayor John Lindsay, and the first director of Harlem Youth Opportunities Unlimited.
William Hall Bush [2] (born October 17, 1971) [3] is an American radio and television host. He is a member of the Bush family, a nephew of former President George H. W. Bush and cousin of former President George W. Bush and former Florida governor Jeb Bush.
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.
The Universe is an American documentary television series that features computer-generated imagery and computer graphics of astronomical objects in the universe plus interviews with experts who study in the fields of cosmology, astronomy, and astrophysics. The program was produced by Flight 33 Productions and Workaholic Productions.
This is an accepted version of this page This is the latest accepted revision, reviewed on 10 February 2025. English physicist and musician (born 1968) This article is about the English physicist often on TV. For the Scottish actor, see Brian Cox (actor). For other people with this name, see Brian Cox. Brian Cox CBE FRS Cox in 2016 Born (1968-03-03) 3 March 1968 (age 56) Oldham, England, UK ...
The universe was only 630 million years old when the GRB occurred, and its detection confirms that massive stars were born and dying even very early on in the life of the universe. GRB 090423 and similar events provide a unique means of studying the early universe, as few other objects of that era are bright enough to be seen with today's ...
The Tonight Show is an American late-night talk show that has been broadcast on NBC since 1954. The program has been hosted by six comedians: Steve Allen (1954–1957), Jack Paar (1957–1962), Johnny Carson (1962–1992), Jay Leno (1992–2009 and 2010–2014), Conan O'Brien (2009–2010), and Jimmy Fallon (2014–present).