The cosmic Doppler effect strikes again! The meme brilliantly compares redshift/blueshift to an ambulance siren passing by, except with light waves instead of sound. When celestial objects move away from us, their light stretches to longer, redder wavelengths. When they approach, wavelengths compress to shorter, bluer hues. The astronaut with the gun is the perfect punchline - because yes, this fundamental property of wave physics has literally always been that way, despite how mind-blowing it is when you first learn it. The universe's way of saying "duh" while casually revealing its expansion secrets!
Doppler Effect: Space Edition
doppler-effect-memes, redshift-memes, blueshift-memes, astronomy-memes, physics-memes | ScienceHumor.io
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