Why Do Stars Twinkle Red?

Why Do Stars Twinkle Red? This is because of scintillation (“Twinkling”) as the light passes through the atmosphere of the Earth. As the air moves in and out, the starlight is refracted, often different colors in different directions. Because of this “chromatic abberation,” stars can appear to change colors when they are twinkling strongly. Is

What Affects The Brightness Of A Star In Our Night Sky?

What Affects The Brightness Of A Star In Our Night Sky? However, the brightness of a star depends on its composition and how far it is from the planet. Astronomers define star brightness in terms of apparent magnitude What 2 things would the apparent brightness of a star depend on? Apparent brightness is the rate