What Was Earth Like 3 Billion Years Ago?

Explore the Earth's ancient past in this 27-minute video that delves into the planet's conditions 3 billion years ago. Journey through the Archean Eon, examining the formation of Earth 4.54 billion years ago and the Late Heavy Bombardment period. Investigate the Faint Young Sun Paradox and learn about oxygen-18 heavy oxygen. Discover ancient microbial life forms through modern stromatolites in Shark Bay and Lake Thetis, Australia, and microbialite towers in Pavilion Lake, Canada. Gain insights into early Earth's geology, atmosphere, and primitive life forms, supported by scientific research and vivid imagery from various sources.

Intro
MARBLE BAR WESTERN AUSTRALIA
THE ARCHEAN EON C. 4 - 2.5 BILLION YEARS AGO
FORMATION OF THE EARTH 4.54 BILLION YEARS AGO
LATE HEAVY BOMBARDMENT C. 3.8 - 4.1 BILLION YEARS AGO
4.54 - 3 BILLION YEARS AGO
ARCHEAN EON 4 - 2.5 BILLION YEARS AGO
FAINT YOUNG SUN PARADOX
HADEAN EON 4.54 - 4 BILLION YEARS AGO
OXYGEN-18 HEAVY OXYGEN
MODERN STROMATOLITES SHARK BAY, AUSTRALIA
MODERN STROMATOLITES LAKE THETIS, AUSTRALIA
MICROBIALITE TOWERS PAVILION LAKE, CANADA