What Can We Actually Find on an Exoplanet? Part 4: Looking For Us

(This is Part 4 of a series on what we can actually find on an exoplanet. Read Part 1, Part 2, and Part 3 first.) All of that from a single dot. One HWO observation of an exoplanet can reveal what’s in its atmosphere, sketch a rough map of its surface, show where its oceans […]