Since 2020, aggregated from related topics
Astronomical instruments are devices used by astronomers to observe and study celestial objects such as planets, stars, galaxies, and nebulae. These instruments include telescopes, spectrographs, cameras, and detectors, among others. They come in various sizes and designs depending on the specific needs of the observation or experiment. Astronomical instruments have evolved over time with advancements in technology, allowing astronomers to gather more accurate and detailed data about the universe. These instruments have played a crucial role in advancing our understanding of the cosmos and uncovering its mysteries.