WebJun 13, 2016 · Astronomers and astrophysicists probably will hone some of the data, such as the expansion rate, which in turn will alter the age estimate of the universe. For … WebJan 31, 2024 · There are several factors scientists consider at when determining the age of the universe: Background radiation left over from the big bang; The age of stars ; The expansion rate of the universe; The age of elements and planets; Listen to Dr. Jennifer Wiseman discuss how we know the age of this short video.
How Old Is the Sun? NASA Space Place – NASA …
WebJul 18, 2014 · The age of the universe is approximately 13.77 billion years. This age is calculated by measuring the distances and radial velocities of other galaxies, most of … WebOct 21, 1999 · There are certain stars that we know are very young, and others that are very old, but for most stars we cannot tell. When we have a large group of stars, however, we … nick para main twitch
How to determine the age of an old galaxy?
WebOct 28, 2012 · The age of our universe poses a deceptively simple question, and its answer carries profound implications for science, religion, and philosophy. ... "Weintraub explains . . . how we know that the Universe is 13.7 billion years old, a finding that has had an impact on science, philosophy and religion. By looking at the various ways in which the ... WebOct 17, 2024 · The single most important puzzle in today's cosmology (the study of the universe as a whole) can be summarized in one question: How old is it? For nearly a century -- since the discoveries by Einstein, Hubble, LeMaitre and others led to the big bang model of creation -- we have known the answer. WebHow do we know the big bang happened 13.8 billion years ago? A. Despite having little to go on, in 1922 Alexander Friedmann used Albert Einstein’s relativity to estimate the universe's age as 10 billion years. Today, scientists follow the same technique but plug in the actual expansion rate of the universe – a number known as the Hubble ... nick pappas attorney fort worth