The National Aeronautics and Space Administration (NASA) approved the Extreme Ultraviolet High-Throughput Spectroscopic Telescope (EUVST) Epsilon Mission (Solar-C EUVST Mission) to explore the Sun. The EUVST, which is to be launched on 2026, a solar telescope that will study how solar atmosphere releases solar wind and drives eruption of solar material. This phenomenon influences the space radiation environment throughout the solar system. The budget for this mission is USD 55 million.