dimmer

Due to Earth’s atmosphere, celestial objects appear dimmer as they rise and set, making it difficult to see even brighter planets until they move higher above the horizon.

She was particularly interested in Cepheid variables, which are stars whose brightness pulses regularly, so they get brighter and dimmer with a particular period.

Venus will be shining brightly while Saturn will be slightly dimmer.

The NFC West remains the most tightly knotted division top to bottom, but the dimmer switch is rapidly spinning in the wrong direction for San Francisco and Arizona.

Some of these regulatory sequences, called 'enhancers', work like dimmer switches used to modulate the light in our living room.