#OTD 35 years ago, Hubble launched into space to begin its mission to understand our universe! To this day, it remains a scientific powerhouse. Check out the telescope's biggest discoveries from its past year in orbit! #Hubble35 | NASA's Hubble Space Telescope

On Aug. 25, 1997, NASA launched the Advanced Composition Explorer, or ACE satellite to study energetic particles travelling through space. Space History Archives👉https://space-com.visitlink.me/RSUG9h It lifted off from Kennedy Space Center in Florida on a Delta II rocket and spent the next three and a half months making its way to its orbital post near the L1 Lagrangian point, a point of gravitational equilibrium between Earth and the sun. There, the spacecraft is monitoring the stream of accel