Earth's solid mass is about 32% iron, 30% oxygen, 15% silicon, 14% magnesium, 3% sulfur, 2% nickel, 1.5% calcium, and 1.4% aluminum. Much of the iron and nickel are in the planetary core, which is 89% iron and 6% nickel. The atmosphere consists of 78% nitrogen and 21% oxygen, with traces of other gases including carbon dioxide (0.3%).
Earth's gravity is insufficient to hold onto high-atmosphere hydrogen and helium, so it has no thick, dense hydrogen atmosphere like the 4 larger planets. Since the planet's formation, comets have deposited water on Earth to provide hydrogen. Helium has been replaced through the decay of radioactive elements in the crust, and is normally found in underground methane deposits.
(see the related link)
Earth's solid mass is about 32% iron, 30% oxygen, 15% silicon, 14% magnesium, 3% sulfur, 2% nickel, 1.5% calcium, and 1.4% aluminum. Much of the iron and nickel are in the planetary core, which is 89% iron and 6% nickel. The atmosphere consists of 78% nitrogen and 21% oxygen, with traces of other gases including carbon dioxide (0.3%). Earth's gravity is insufficient to hold onto high-atmosphere hydrogen and helium, so it has no thick, dense hydrogen atmosphere like the 4 larger planets. Since the planet's formation, comets have deposited water on Earth to provide hydrogen. Helium has been replaced through the decay of radioactive elements in the crust, and is normally found in underground methane deposits.earth is great
Meteorites that originate from the asteroid belt can collide with Earth, carrying evidence of Earth's inner composition. By analyzing these meteorites, scientists can study the interior structure and composition of our planet.
Iron is the mineral that accounts for approximately 35% of the Earth's composition. It is a crucial element in the Earth's core and mantle, as well as in the composition of rocks and minerals throughout the planet.
Iron has the highest percentage composition on Earth's crust, making up about 5.6% by weight.
Nitrogen makes up around 78% of the Earth's air composition.
meteorites are considered leftovers from the solar system's formation. Since scientists think planets and meteorites were made at the same time and in the same place, it seems logical that whatever a meteorite is made of is also what planets are made of.
What is the composition of each layer of earth?
Yes. The effect of gravity on the Earth, and of Earth on other celestial bodies could be very different if the composition of the planet was different.
Meteorites that originate from the asteroid belt can collide with Earth, carrying evidence of Earth's inner composition. By analyzing these meteorites, scientists can study the interior structure and composition of our planet.
The Chemical Composition of the Earth's atmosphere is important because it holds the Earth together.
Iron is the mineral that accounts for approximately 35% of the Earth's composition. It is a crucial element in the Earth's core and mantle, as well as in the composition of rocks and minerals throughout the planet.
The Chemical Composition of the Earth's atmosphere is important because it holds the Earth together.
The Chemical Composition of the Earth's atmosphere is important because it holds the Earth together.
No *mineral* accounts for that much of Earth's composition, though the *element* iron makes up 32-35% of the mass of Earth
uhhh??
The composition of the moon mostly resembles the Earth's mantle.
Iron has the highest percentage composition on Earth's crust, making up about 5.6% by weight.
Geologist.