WebbInside the Earth. The size of the Earth -- about 12,750 kilometers (km) in diameter-was known by the ancient Greeks, but it was not until the turn of the 20th century that scientists determined that our planet is made up of … Earth is composed of four main layers, starting with an inner core at the planet's center, enveloped by the outer core, mantle, and crust. The inner core is a solid sphere made of iron and nickel metals about 759 miles (1,221 kilometers) in radius. There the temperature is as high as 9,800 degrees Fahrenheit … Visa mer 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.” Visa mer 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, … Visa mer 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 … Visa mer 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 … Visa mer
The outer structure of the earth is made up of the following except ...
WebbWhat is the difference between the inner and outer core of the Earth? A) The inner core is liquid and the outer core is solid. B) The inner core is made from magma and the outer core is metal. C) The inner core is solid and the outer core is liquid. D) The inner core is cool and the outer core is hot. Webb25 apr. 2024 · Like the outer core, this compositional layer of the Earth is made up of metal. Unlike the outer core, however, it's solid metal. The inner core is composed almost completely of iron, but around 10 percent of it … chinese jackstone
Earth
WebbThe outer structure of the earth is made up of four zones or layers: Lithosphere Hydrosphere Atmosphere Biosphere Lithosphere: This is the solid portion of the earth. It … Webb7 dec. 2015 · The outer core, which has been confirmed to be liquid (based on seismic investigations), is 2300 km thick, extending to a radius of ~3,400 km. In this region, the density is estimated to be much... WebbIts outer layers will be ejected into space, leaving behind a dense white dwarf, half the original mass of the Sun but only the size of Earth. The ejected outer layers will form … grand oratory clue eso