A scientist is explaining how background cosmic radiation gives evidence of the big bang theory. She says that radiation has been detected everywhere equally as heat in the universe and is increasing. This has been shown to be residual radiation from the big bang. The error the scientist made was the amount of radiation should be lessening, not increasing.

Big bang expansion and cooling atom formation star and galaxy formation continuation of expansion and cooling.-Describes the sequence of events of the development of the universe

A torsion balance was used by Cavendish to discover the universal gravitation constant, G.

The solar wind creates the Aurora Borealis and Australis, disrupts communication systems, and distorts Earth's magnetic field.-describes the effects of the solar wind on Earth

The earliest period in Earth's history is The Archean.