Quasars are the stupendously bright regions in the cores of galaxies, powered by gargantuan black holes. (sciencedaily.com)
These showed noticeably brighter regions of yellow, suggesting that their decisions demanded significantly more brain power. (discovermagazine.com)
Brighter regions at night indicate surfaces that retain more heat from the previous day than surrounding surfaces, just as grassy fields cool off at night while buildings in the city remain warmer. (sciencedaily.com)