Sentences with phrase «iron meteorites with»
Contrary to current geophysical models, ground data indicate that iron meteorites with masses of the order of tens of tons can penetrate the atmosphere without substantial fragmentation.
http://science.sciencemag.org/ Not exact matches
It turned out that the rock had an elevated manganese - to - iron ratio — higher than that in Earth rocks and consistent with other martian meteorites.
This feature and the association with an iron meteorite impactor and shock metamorphism provides a unique picture of small - scale hypervelocity impacts on Earth's crust.
By combining scanning electron microscopy with x-ray computer tomography to examine the bead's microstructure and chemistry, a British research team determined that the iron possessed a structural and microchemical signature known as the Widmanstätten pattern that is unique to weathered iron meteorites.
The exhibition also includes important pieces from across Parker's career, such as Cold Dark Matter; An Exploded View (1991), and opens with a breathtaking firework display that will send fragments of iron meteorite up into the skies above Manchester.
The main result of this research, is that the variations of the flux, as predicted from the galactic model and as observed from the Iron meteorites is in sync with the occurrence of ice - age epochs on Earth.