Universe Expansion Dynamical Dark Energy Cosmic Expansion Dark Matter Lambda Cold Dark Matter Modified Gravity Cosmological Constant Baryon Acoustic Oscillations Cosmological Model Bimetric Gravity Disformal Coupling Exoplanets Finsler Gravity Early Dark Energy Finsler Geometry Holographic Models Invisible Force Interacting Dark Energy Models Lambda-CDM Model Timescape Cosmology Gravity Cosmological Models Quintessence LambdaCDM Model CCBH Hypothesis Universe Composition $w$CDM Model Equation of State Mathematical Models Bayesian Analysis Holographic Dark Energy Quintessence Models Friedmann Spacetimes Future of the Universe Galactic Movement Galaxies Time Measurement Statistical Analysis Type Ia Supernovae Observational Techniques Cosmic Voids Cosmological Parameters Research Measurement Techniques Scalar Field Theory Hubble Tension Expansion
The flight will validate Orion docking with two commercial lunar-lander prototypes to reduce technical risk before a planned 2028 crewed lunar landing.