An effect seen immediately before or after totality in a solar eclipse. The diamond ring is produced by sunlight shining through a valley on the lunar limb, causing a single dazzlingly bright point of light.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。