rapha pfp
rapha
@rapha-nyc
šŸ‘€ hidden traits in BEACONS! 🚄 only 33% of beacons have colored lights (11% for each color: red, green and purple) 🌈 this is a nod to absorption spectra used to identify the composition of stars, for example : red for hydrogen, green for thallium, purple for calcium (all present in our Sun)šŸŒž
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