WebMantle -In general, the Earth’s mantle lies beneath the crust and above the outer core, averaging about 1,802 miles (2,900 kilometers) thick and repre· senting 68.3 percent of the Earth’s mass. A transition zone divides this layer into the upper and lower mantles. Outer core -The liquid outer core is a layer between 1,793 and 3,762 miles ... WebOct 4, 2024 · Earth consists of land, air, water and life. The land contains mountains, valleys and flat areas. The air is made up of different gases, mainly nitrogen and oxygen. The water includes oceans, lakes, rivers, …
In Depth Earth – NASA Solar System Exploration
WebDec 11, 2024 · Earth’s atmosphere has six layers: the troposphere, the stratosphere, the mesosphere, the thermosphere, the ionosphere, and the exosphere. A jacket for the planet. Earth is a great planet to live on … With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall. From an average distance of 93 million miles (150 million kilometers), Earth is exactly one astronomical unit away from the Sun because one astronomical unit (abbreviated as AU), is the … See more The name Earth is at least 1,000 years old. All of the planets, except for Earth, were named after Greek and Roman gods and goddesses. However, the name Earth is a Germanic word, which simply means “the ground.” See more Earth has a very hospitable temperature and mix of chemicals that have made life abundant here. Most notably, Earth is unique in that most of our planet is covered in liquid water, since the temperature allows … See more Earth is the only planet that has a single moon. Our Moonis the brightest and most familiar object in the night sky. In many ways, the Moon is responsible for making Earth such a great home. It stabilizes our planet's wobble, … See more As Earth orbits the Sun, it completes one rotation every 23.9 hours. It takes 365.25 days to complete one trip around the Sun. That extra quarter of a day presents a challenge to our … See more shares must buy
Earth
WebFeb 17, 2024 · in Geology, Science ABC. Broadly speaking, the Earth has four layers: the solid crust on the outside, the mantle and the core — split between the outer core and the inner core. The layers of the ... WebJul 15, 2024 · Earth has three layers: the crust, the mantle, and the core. The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by … WebEarth’s interior is broadly divided by composition and depth into crust, mantle, and core (Figure 9.0.2). The crust is primarily (roughly 95%) made up of igneous rock and metamorphic rock with an overall composition between intermediate and felsic. The remaining 5% is made up of sedimentary rock, which is dominated by mudstone. shares must be borrowed in order to quizlet