Planet Nine

• Unveiling the Wonders of the Vera C. Rubin Observatory
  
  A New Era in Astronomical Exploration
  https://www.onlineupscinstitute.com/current-affair/unveiling-the-wonders-of-the-vera-c-rubin-observatory
• Unraveling the Mystery of Planet Nine in Our Solar System
  
  A Journey Beyond the Familiar Eight Planets
  https://www.onlineupscinstitute.com/current-affair/unraveling-the-mystery-of-planet-nine-in-our-solar-system