light echo

基本解释

Light Echo Years After Stellar Outburst
恒星爆發數年後的廻光
This makes the voorwerp a sort of light echo but on a massive scale.
是在巨大的尺度上光的反射制造了voorwerp。
The effect, called a light echo, has been unveiling never-before-seen dust patterns ever since the star suddenly brightened for several weeks in early 2002.
這種傚應被稱之爲“廻光”，揭示了自2002年初V838 Mon亮度在幾周內突然增大後從未被觀測到的塵雲圖案。

Dr. SCHAWINSKI: The reason we call it a ghost is because we believe it is something called a light echo.
NPR: What Makes Our Solar System Special?
It's what we call a light echo, an effect that we've seen around supernovas - stars that explode - and because of the vast scales involved, the speed of light is actually very slow.
NPR: What Makes Our Solar System Special?
So too, in light of the politically correct echo chamber that governs university politics and appointments, it is eminently reasonable to assume that an article about these subjects would be harshly treated in peer-reviews.
CENTERFORSECURITYPOLICY: Yale, Jews, and Double Standards