For many years astronomers have struggled to get good-quality 3-D data of galaxies. Although this technique is very powerful as it allows researchers to “dissect” objects, this was a slow process as each galaxy had to be observed independently.
For many years astronomers have struggled to get good-quality 3-D data of galaxies. Although this technique is very powerful as it allows researchers to “dissect” objects, this was a slow process as each galaxy had to be observed independently.