Which Sphere Forms Earth's Outermost Layer - Web the troposphere is the lowest layer of our atmosphere. Web the layers of the earth's atmosphere. Starting at ground level, it extends upward to about 10 km (6.2 miles. Web stratosphere the stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. Web earth’s outermost, rigid, rocky layer is called the crust. The atmosphere can be separated and identified in several of its.
Starting at ground level, it extends upward to about 10 km (6.2 miles. Web stratosphere the stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. Web the troposphere is the lowest layer of our atmosphere. The atmosphere can be separated and identified in several of its. Web earth’s outermost, rigid, rocky layer is called the crust. Web the layers of the earth's atmosphere.