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מצפה הכוכבים ברקת - קוד מצפה רשמי Bareket observatory IAU B35

לחיפוש במונחון הזן טקסט ולחץ חפש


מנוח הסבר המונח

Unstable and disorderly motion, as when a smooth, flowing stream becomes a churning rapid. Turbulence in Earth's atmosphere affect the practical imaging resolution of the final image.

Universal Time

This is local time on the Greenwich meridian, presented in short as UT or GMT.

The Bareket observatory is at GMT+2.

Universal time is used by astronomers as a standard measure of time. Also known as Greenwich Mean Time

Variable star

A star whose luminosity (brightness) changes with time


The point on the celestial sphere that is directly above the observer