Twinkle (astronomy)

Twinkle (astronomy)

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Because of the atmospheric turbulence, the light of the celestial bodies has a variable luminosity. This phenomenon is called scintillation.

To solve it, astronomers build their observatories above the densest and most turbulent atmospheric layer, in the highlands and mountains, very frequently above 2,200 meters high.

The scintillation obviously disappears in the extraterrestrial space where astronomical observatories located on artificial satellites operate with great advantages. The Hubble Space Telescope is not affected by the scintillation.

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