Earth and Other Planets. Chapter 16. Great Idea: Earth, one of the planets that orbit the Sun, formed 4.5 billion years ago from a great cloud of dust. Chapter Outline. The Formation of the Solar System Exploring the Solar System. The Formation of the Solar System.
Earth, one of the planets that orbit the Sun, formed 4.5 billion years ago from a great cloud of dust.
The surface of Venus is shrouded in clouds, but the Magellan spacecraft produced radar images ofthe surface. In this computer-generated view of a Venusian volcano, thevertical relief has beengreatly exaggerated.
Researchers attain high pressures, equivalent to those deep inside the Earth and other planets, using the diamond anvil cell. Looking through such diamond cells you can observe pressurized samples such as this high-pressure ice crystal that was formed at room temperature by squeezing water.
50% below 3.5 miles
90% below 10 miles
99% below 20 miles