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- The outermost layer, Earth's crust, goes about 19 miles (30 kilometers) deep on average on land. At the bottom of the ocean, the crust is thinner and extends about 3 miles (5 kilometers) from the seafloor to the top of the mantle.
science.nasa.gov/earth/facts
Strictly speaking, the Earth’s gravity will always pull on an object, no matter how distant. Gravity is a force that obeys an ‘inverse square law’. So, for example, put an object twice as far away and it will feel a quarter of the force.
May 1, 2022 · Where each layer ends and begins is defined by four key traits, according to the National Weather Service: temperature change, chemical composition, density and the movement of the gases within...
- Joe Phelan
Outer space (or simply space) is the expanse that exists beyond Earth's atmosphere and between celestial bodies. [1] It contains ultra-low levels of particle densities, constituting a near-perfect vacuum [2] of predominantly hydrogen and helium plasma, permeated by electromagnetic radiation, cosmic rays, neutrinos, magnetic fields and dust.
Today, we split the innards of the Earth into three segments: the crust, which is the outer layer, between 5km and 75km thick, the mantle, extending to a depth of around 2,900km, with the thickness of the core – the bit we’re interested in here – extending around 3,500km out from the Earth’s centre, with two distinct segments.
In between the outer core and crust is the mantle, the thickest layer. This hot, viscous mixture of molten rock is about 1,800 miles (2,900 kilometers) thick and has the consistency of caramel. The outermost layer, Earth's crust, goes about 19 miles (30 kilometers) deep on average on land.
Sep 9, 2016 · According to a paper that was published in the Journal of Geophysical Research-Space Physics, the border between the two—the so-called Karman line—sits 73.2 miles (188 kilometers) above Earth's...
Those galaxies exist in a sphere of space centred on the Earth that we call the ‘observable Universe’. It’s actually about 92 billion light-years across as the Universe ‘inflated’ far faster than the speed of light in its first split-second of existence.
