Recently, some exoplanet astronomers have managed to use careful analysis of reflected light to discover Earth during the day.
![[[The panel is white ink on a black background. A character is staring at the ground.]] Character: Based on this decrease in the star's brightness, I believe it is orbited by at least one planet. Exoplanet astronomers at night](https://imgs.xkcd.com/comics/brightness.png "Recently, some exoplanet astronomers have managed to use careful analysis of reflected light to discover Earth during the day.")