Vega is the fifth-brightest star in the night sky
Vega
Vega is the fifth-brightest star in the night sky
Vega's brightness also contributes to its role in calibrating photometric brightness scales. It has been used as a baseline for calibrating the photometric brightness scale. This fact emphasizes Vega's importance in the development of astronomical measurement systems.
Example
Vega's brightness makes it visible even in light-polluted urban areas, unlike many other stars.
Remember this
Understanding Vega's brightness helps astronomers study and compare other stars' luminosities.
Text adapted from Wikipedia, licensed under CC BY-SA 4.0.
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