Japan's X-Ray Imaging and Spectroscopy Mission (XRISM), studying galactic plasma, surpasses another full year in space today at ~550-km LEO, having launched 2023.
NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
Appearing to radiate from constellation Perseus, shower can produce up to 100 meteors per hour, which are fast, bright and frequently leave persistent trains.
Most-visible in Southern Hemisphere, appear to radiate from Aquarius constellation; up to 25 meteors per hour with speed of ~41 km/sec.
NASA, Cal-tech high-energy astrophysics satellite surpasses another year in space, having launched on this day in 2012.