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During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.
Stony meteorites are made up primarily of silicate minerals, whereas iron meteorites contain mainly metallic iron. Most stony meteorites are magnetic and quite heavy for their size, as they contain ...
The most fruitful regions on Earth for collecting meteorites are in Antarctica, where dark-coloured non-metallic meteorites show up clearly against the white background of the ice. However, iron-based ...
a meteorite, a meteoroid and an asteroid? It’s all about location and size. Roughly speaking, an asteroid is a relatively small body (that isn’t a comet), usually rocky or metallic ...
According to the Uruguayan Navy, the meteorite is one of the largest metallic meteorites ever known. ”The value depends on the weight and how it is sold (in whole or in pieces). The price of ...
A suspected meteorite that struck a house in New Jersey ... New Jersey, the oblong metallic object—about 6 inches by 4 inches and weighing 4 lbs.—came through the roof and ceiling to hit ...