It won't be surprising if we eventually do. A particle accelerator beyond Earth has been often discussed, and recently a paper[0] even sketched such a project f

It won't be surprising if we eventually do. A particle accelerator beyond Earth has been often discussed, and recently a paper[0] even sketched such a project for Moon. [0]: https://iopscience.iop.org/article/10.1088/1367-2630/ac4921/meta https://iopscience.iop.org/article/10.1088/1367-2630/ac4921/...