gigaseconds
A gigasecond is a unit of time equal to one billion seconds. The prefix "giga" signifies a factor of 10^9, making a gigasecond equivalent to 1,000,000,000 seconds. This unit is part of the International System of Units (SI) and is often used for measuring very large durations of time, typically in scientific contexts.
To provide perspective, one gigasecond is approximately equal to 31.7 years. This means that astronomical events