Big Bang Theory Earth Science Definition

Different people use the term.

Big bang theory earth science definition.

The big bang is how astronomers explain the way the universe began. The big bang theory tells us that the entire universe was once condensed in the form of a primeval atom or a dense mass. The big bang theory developed from observations of the structure of the universe and from theoretical considerations. At its simplest it talks about the universe as we know it starting with a small singularity then inflating over the.

In 1912 vesto slipher measured the first doppler shift of a spiral nebula spiral nebula is the obsolete term for spiral galaxies and soon discovered that almost all such nebulae were receding from earth. The big bang theory is the leading explanation about how the universe began. The big bang theory explains how the universe has evolved over last 13 8 billion years starting from a singularity to its current size.