Astronomers confirm Einstein's theory of general relativity through galaxy mapping study

A large team of astronomers has conducted a significant test of Einstein's general relativity by mapping nearly 6 million galaxies over 11 billion years. Their findings confirm that the distribution of galaxies aligns with Einstein's predictions about gravity and cosmic structure. This research, part of the Dark Energy Spectroscopic Instrument project, shows that the Universe's behavior matches general relativity on both large and small scales. The results are based on data from the first year of the instrument's operation, which began in 2019. The ongoing survey aims to deepen understanding of dark matter and dark energy, which together make up about 95% of the Universe. The team plans to analyze data from over 40 million galaxies and quasars as the project continues.