Word: marvinism
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...rare to collect a fallen meteorite," says Marvin. "They are precious samples...
Moreover, approximately 94 percent of meteorites are rocky, with the remainder being of the nickel-iron variety. The distinctive metallic appearance of nickel-iron meteorites makes them easier to spot, says Marvin...
...Once Marvin has collected her samples, she slices them into thin wafers just 30 microns thick to test their optical properties and to perform chemical analyses...
According to Marvin, many of the samples pre-date the Earth's crust and may hold clues to the origins of the universe. Some meteorites have been estimated to be 4.5 billion years old, making them half a billion years older than the estimated age of the Earth's crust...
...These samples are less processed and more primitive," Marvin says. "They were not weathered in space...