Which mechanism causes increased spectral redshift from distant galaxies?

💡 Explanation

Increased spectral redshift is caused by spacetime curvature's radial expansion, due to gravity distorting the light's path. Because expansion stretches wavelengths, there’s redshift; therefore A is right, rather than Doppler shifts, which occur due to local motion.

• Which consequence results when the Boltzmann constant significantly decreases in a semiconductor?
• Which outcome arises when rapid depressurization causes a volatile liquid to undergo phase transition?
• Which risk increases when rapid flow approaches a narrow annulus?
• Which consequence results when precise detector alignment disrupts fragile entangled photons used in quantum encryption?
• Which mechanism allows increased carrier mobility within indium antimonide crystals?
• Which outcome reduces the pressure differential in a Carnot heat engine?