Meteoroids can enter Earth atmosphere and heat until they make light {meteor}|. Every year, Earth adds 1000 to 1,000,000 tons of meteor dust.
Stony meteorites can have tiny olivine and pyroxene clumps {chondrule}.
Stony meteorites {chondrite} can have olivine and pyroxene chondrules. Stony chondrites are 90% of all meteorites.
Stony meteorites {achondrite} can have no clumps.
Space objects {meteoroid}| can be broken-planet pieces from asteroid belt.
Meteors {meteorite}| can hit ground. Largest meteorite weighed 30 tons. A 15,000-ton meteorite formed Canyon Diablo Meteor Crater, 4100 feet across and 600 feet deep, in Arizona. Meteorites {iron meteorite} can have more than 98% iron and nickel. Meteorites {stony iron meteorite} can have 50% nickel-iron and 50% olivine. Meteorites {stony meteorite} can be mostly rock, with little nickel and iron.
Early Moon meteoroid impact melted glass, which splashed up and then landed on Earth in a strip of achondrite drops {tektite}|.
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Date Modified: 2022.0225