It absolutely would not be easier or cheaper. The idea is to make a larger, more capable instrument than the JWST. From the paper: https://iopscience.iop.org/ar

It absolutely would not be easier or cheaper. The idea is to make a larger, more capable instrument than the JWST. From the paper: https://iopscience.iop.org/article/10.1086/588034 https://iopscience.iop.org/article/10.1086/588034 >Without an independent infrastructure in place at a lunar pole, it would likely be impossible to construct and operate a large liquid-mirror telescope.