我们究竟能在系外行星上发现什么？第三部分：解读行星的“面容”

即使只能观测到单个像素的光点，天文学家也能从中提取出惊人的细节。通过分析海洋闪烁、旋转映射和植被红边，我们无需直接成像即可推断出遥远行星上的海洋、大陆甚至森林分布。

A single pixel of light holds astonishing detail. How ocean glint, rotational mapping, and the vegetation red edge let us read a distant planet's oceans, continents, and even forests, all without ever resolving it as more than a point.