Algol's brightnessvariations are not due to some special quality of a single star.
大陵五的亮度变化的原因不是由于星体物质特殊。
2
Repetitive voltage fluctuations cause brightnessvariations in incandescent elements.
反复的电压波动引起白炽灯光度的变化。
3
Recently a detailed analysis of microlensing system OGLE-2006-BLG-109 has related brightnessvariations to two planets that are similar to Jupiter and Saturn of our own Solar system.