The second problem is that Venus exhibits a halo of light when it is seen just outside the Sun's disc.
第二个问题是，当金星在太阳圆盘外被观测到时，它会呈现出光晕。
2
Photo Tip: Shooting into the light, or "backlighting," will add a halo effect to hair and clothing and other details of the subject.
摄影小贴士：正对光线进行拍摄(背光拍摄)会为头发、服装及其他细小物件添加晕轮效果。
3
Looking up on a chilly December morning in 2009, residents of rural west Virginia (southwest of Charleston) would have seen a halo of light bursting through the thin bank of clouds that hung overhead.