The Synthesis of "Doppler spectroscopy"

Discover the radial velocity method, a key technique using the Doppler effect to find distant exoplanets by observing tiny stellar 'wobbles'.

Discover the Doppler effect, the change in wave frequency from a moving source, explaining everything from ambulance sirens to the expanding universe.

An explanation of absorption spectra and how these unique "fingerprints" of elements are used to analyze materials from distant stars to our own planet.

Discover spectroscopy, the science of analyzing light to reveal the chemical makeup of stars, planets, and galaxies. Learn why it's key to JWST's discoveries.

Discover blueshift, the phenomenon where light waves shorten as an object moves toward an observer. Learn its role in astronomy and the Doppler effect.

Discover diffraction, the phenomenon where waves bend around obstacles. Learn how it affects everything from light to astronomical observations.