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Updated: Jul 12, 2026
06:14
Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
Published on: July 30, 2020
Magnetic properties of lunar samples.
Science (New York, N.Y.)
|January 30, 1970
Summary
Lunar breccia sample 10023 exhibits strong remanent magnetization, suggesting it acquired its magnetic field on the Moon. This indicates the Moon may have had its own magnetic field or was influenced by Earth's ancient field.
Area of Science:
- Lunar geology
- Paleomagnetism
- Cosmic magnetic fields
Background:
- Lunar breccia sample 10023 displays significant and stable remanent magnetization.
- Investigating the origin of this magnetization is crucial for understanding lunar magnetic history.
Purpose of the Study:
- To determine if the magnetization of lunar sample 10023 was acquired on the Moon.
- To explore potential sources for a lunar magnetic field.
Main Methods:
- Analysis of a lunar breccia sample (10023).
- Thermomagnetic studies to identify magnetic minerals.
- Evaluation of magnetization origins (local vs. lunar).
Main Results:
- The sample possesses strong, stable remanent magnetization.
- Thermomagnetic analysis revealed the presence of various iron-nickel alloys and ilmenite.
- Magnetization likely acquired on the Moon, not from spacecraft or laboratory fields.
Conclusions:
- The Moon likely possessed a magnetic field during the time of sample 10023's formation.
- Possible sources include an internal lunar dynamo or a remnant of Earth's ancient magnetic field.
- The presence of specific iron-nickel compositions and ilmenite provides clues to the magnetic processes.
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