space hard MCQ

The Hera mission will study the aftermath of DART's impact on Dimorphos to measure _______.

  1. Composition change
  2. Momentum transfer efficiency
  3. Orbital period shift
  4. Surface albedo

Answer: Momentum transfer efficiency

Hera (ESA, launch 2024) will characterize crater morphology and momentum enhancement factor β, calibrating kinetic impact models for planetary defense.

Topic Space Missions - Planetary Defense
Exam Relevance UPSC Prelims, General Science