Sentences with phrase «magnetized lunar»

When astronauts returned from the moon, they brought back a collection of puzzling, slightly magnetized lunar rocks.

Magnetized lunar material toted back during the Apollo missions established that the moon at some point had a magnetic field.

Not exact matches

While the modern moon lacks a global magnetic field, magnetized rocks offer a record of what the lunar magnetic field was like when they cooled down billions of years ago.

Eventually two competing explanations emerged: Either some outside force helped stir the lunar interior and drove the dynamo, or the magnetized rocks were created by short - lived fields produced during violent asteroid impacts on the lunar surface (SN: 12/17/11, p. 17).