redshift

N การ เปลี่ยน ความยาวคลื่น ของ คลื่น แสง (ทาง ดาราศาสตร์  kan-pian-plang-kwam-yao-kong-kluan

redshift

red shift |ˈredˈSHift ˈrɛdˈʃɪft |(also red shift ) ▶noun Astronomy the displacement of spectral lines toward longer wavelengths (the red end of the spectrum ) in radiation from distant galaxies and celestial objects. This is interpreted as a Doppler shift that is proportional to the velocity of recession and thus to distance. Compare with blueshift. DERIVATIVES red shift ed adjective