Lunar Lander Challenge

Target entity: Lunar Lander Challenge
Context triple: [Centennial Challenges Program, notableChallenge, Lunar Lander Challenge]

• A. Pathfinder lander
  The Pathfinder lander is a NASA spacecraft that successfully delivered the Sojourner rover to Mars in 1997, enabling pioneering surface exploration and communication experiments on the Martian terrain.
• B. Moonlander
  Moonlander is a solo studio album by Pearl Jam guitarist Stone Gossard, showcasing his songwriting and multi-instrumental talents outside the band.
• C. Rocket to the Moon
  "Rocket to the Moon" is a 1938 stage play by American dramatist Clifford Odets that explores themes of love, frustration, and disillusionment in Depression-era New York.
• D. Mobile Asteroid Surface Scout
  Mobile Asteroid Surface Scout (MASCOT) is a small German-French lander designed to study the surface of asteroid Ryugu as part of Japan’s Hayabusa2 mission.
• E. Starhopper
  Starhopper is SpaceX’s early prototype test vehicle used to validate key technologies for the Starship launch system, particularly its Raptor engines and vertical takeoff and landing capabilities.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Lunar Lander Challenge
Target entity description: The Lunar Lander Challenge was a NASA-sponsored competition that encouraged private teams to develop and demonstrate reusable rocket-powered vehicles capable of simulating lunar lander missions.

• A. Pathfinder lander
  The Pathfinder lander is a NASA spacecraft that successfully delivered the Sojourner rover to Mars in 1997, enabling pioneering surface exploration and communication experiments on the Martian terrain.
• B. Moonlander
  Moonlander is a solo studio album by Pearl Jam guitarist Stone Gossard, showcasing his songwriting and multi-instrumental talents outside the band.
• C. Rocket to the Moon
  "Rocket to the Moon" is a 1938 stage play by American dramatist Clifford Odets that explores themes of love, frustration, and disillusionment in Depression-era New York.
• D. Mobile Asteroid Surface Scout
  Mobile Asteroid Surface Scout (MASCOT) is a small German-French lander designed to study the surface of asteroid Ryugu as part of Japan’s Hayabusa2 mission.
• E. Starhopper
  Starhopper is SpaceX’s early prototype test vehicle used to validate key technologies for the Starship launch system, particularly its Raptor engines and vertical takeoff and landing capabilities.
• F. None of above. chosen