NASAのインスタグラム(nasagoddard) - 11月28日 07時11分

The holiday music can officially start now, right? ✨ 🎁

This sonification of Caldwell 73 or NGC 1851 reminds us of holiday tunes from about 40,000 light-years away in the constellation Columba! Caldwell 73 is a globular cluster, which is a spherical group of stars that are gravitationally bound to each other, with most of the stars concentrated at the cluster’s center.

As the radar scans around in this sonification, the radius of the stars is mapped to pitch, so stars farther from the center are higher pitched. The entire image is converted to the sound of a choir, while the orange and red stars are represented by a marimba, and the blue stars are represented by a glockenspiel.

Credit: SYSTEM Sounds (M. Russo, A. Santaguida)

#sonification #Hubble #space #astronomy #spacephotos #holidayseason

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