Discover Our Dynamic Planet
Select an Earth science area to explore
• Earth science studies our planet—its rocks, water, air, and the processes that shape it.
• Earth is about 4.5 billion years old and is constantly changing through geological and atmospheric processes.
• Four main spheres: Geosphere (rocks), Hydrosphere (water), Atmosphere (air), Biosphere (life).
• Understanding Earth helps us predict natural disasters and protect our environment.
Accreditation notice: Global Sovereign University is not an accredited institution and does not grant degrees, academic credit, licenses, or industry credentials. Learners who pass GSU's online exams earn GSU certificates of comprehension.