Sentences with phrase «magnetite crystals»

Microscopic views of individual magnetite crystals found in martian meteorite ALH 84001.

Another NASA research group, led by Kathie Thomas - Keprta of NASA's Johnson Space Center, report in the same issue of PNAS that the magnetite crystals inside the meteorite are similar to those formed by «modern» magnetotactic bacteria now living on Earth.

An international team of researchers has discovered compelling evidence that the magnetite crystals in the martian meteorite ALH84001 are of biological origin.

Magnetite crystals of a similar size that are grown at a lower temperature and under normal pressure are only very weakly magnetic.

But in 2003 two papers noted that there are other ways to make magnetite crystals, such as slamming a rock from space onto the Martian surface.

Not exact matches

Tarduno's new results are based on the record of magnetic field strength fixed within magnetite found within zircon crystals collected from the Jack Hills of Western Australia.

Researchers have long known that migratory birds receive information about magnetic fields from a part of their upper beak called the magnetite receptor, which contains iron - based magnetic crystals.

These might be based on crystals of magnetite, which align with the Earth's magnetic field and could pull on some kind of stretch receptor or hair - like cell as it changes polarity.

One group argues that tiny crystals of a magnetic mineral known as magnetite, which is found in the brains of some birds and in bacteria, are key.

Thomas - Keprta also identified tiny crystals of magnetite overlapping the globules.

New 2017 S550 Convertible in Magnetite Black w / designo Crystal Grey / Black Nappa Leather, Premium, Sport, Warmth & Comfort, Driver Assistance, 19» AMG Sport Wheels.