An Early Spring via Satellite
![Satellite image showing flowers blooming.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/IOW_CLU_EarlySpring.jpg?itok=IPtdfYu8)
Detailed Description
The study of the Earth's natural life cycles is known as phenology. Scientists track the emergence of shoots and leaves, blooming flowers and pollinators as phenological signals every spring.
Sources/Usage
Public Domain.