Whose foundational velocity measurements did Hubble incorporate into his distance-velocity correlation?
Answer
Vesto Slipher.
Vesto Slipher had performed the pioneering early work measuring the recessional velocities of many spiral nebulae, providing Hubble with the necessary velocity data.
Related Questions
What long-held belief about the universe did Edwin Hubble's work shatter?What was the central question addressed by the Great Debate of 1920?What specific technology allowed Hubble to resolve individual stars within nebulae?What class of variable stars was essential for establishing the distance scale to external galaxies?What critical relationship concerning Cepheid variables did Henrietta Swan Leavitt establish?What was the immediate cosmological implication of Hubble's distance measurement for the Andromeda Nebula (M31)?What technique was employed to characterize how distant galaxies were moving by analyzing their light?Whose foundational velocity measurements did Hubble incorporate into his distance-velocity correlation?In the law $v = H_0 d$, what physical quantity does the Hubble Constant ($H_0$) quantify?How is the recession velocity observed between galaxies best conceptually understood?