![Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo](https://images.theconversation.com/files/414405/original/file-20210803-27-1vt9hed.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo
![How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis](https://sites.wustl.edu/meteoritesite/files/2019/11/Apollo_basalts_1004415016.jpg)
How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis
![Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo](https://images.theconversation.com/files/414216/original/file-20210802-26072-1xy2dvx.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo
![How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis](https://sites.wustl.edu/meteoritesite/files/2019/11/QUE94281_N.jpg)
How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis
![How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis](https://sites.wustl.edu/meteoritesite/files/2019/11/A16_60019__MAC88105.jpg)
How do we know that it is a rock from the Moon? | Some Meteorite Information | Washington University in St. Louis
![Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo](https://www.hq.nasa.gov/alsj/a16/a16pan1240222dmh.jpg)