Geologic Time is a crucial concept to understanding the history of the earth—including the evolution of life ... The geologic time scale is divided into eons, eras, periods, epochs, and ages. Our ...

To understand evolution, humans must think ... The stretch of geologic history is commonly referred to as "deep time," and it's a concept perhaps as difficult to conceive as deep space.

The geological time scale, established by scientists in the mid-19th century and agreed upon internationally, breaks down the eternity of our planet's history into more manageable units than years.

Based on the perspective of lunar dynamic evolution, Chinese researchers creatively established an updated lunar geological time scale, objectively depicting the geological evolution of the moon ...

Primeval fish that were thought to be "living fossils," largely unchanged since the time of the ... suggest that the large-scale movement of continents may spur the evolution of life, the ...

I like to use a meter stick and be very intentional with my spacing to model time as a scale. I also avoid using the far right ... of the Earth that is characteristic of a particular span of geologic ...