The Kepler mission takes that notion and applies it on a grand scale by staring at a patch of sky in the Cygnus and Lyra constellations to continuously observe the brightness of 156,000 stars.
开普勒团队接受这个概念，并将它在一个巨大的范围内加以应用：他们盯住天鹅座和天琴座附近的天空以持续观察156,000颗恒星的闪烁情况。
Deferring to historical custom, astronomers, measure the apparent brightness of stars through the magnitude scale, a very confusing way.
按照历史习惯，天文学家用星等标这种容易使人混淆的方法来度量恒星的视亮度。
In scene matching, false matching occurs due to brightness, contrast, scale, noise, and rotation difference between real-time target image and standard target image.
景象匹配中，实时目标图与基准目标图之间的亮度、对比度、噪声水平以及旋转等差异是造成误匹配的重要原因。
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