The so-called water hole is a range in the electromagnetic spectrum in which searches for transmissions of extraterrestrial origin are being conducted. In what region of the electromagnetic spectrum does the water hole occur?

Question

Quizplus · Accepted Answer

The water hole is located in the radio region of the electromagnetic spectrum, between the frequencies that hydrogen and hydroxyl (OH) emit or absorb radio waves. This range is considered a good candidate for interstellar communication because it is relatively quiet and free from cosmic noise, making it easier to detect any potential signals from extraterrestrial civilizations.

The So-Called Water Hole Is a Range in the Electromagnetic