At present, what is the primary way that the search for extraterrestrial intelligence (SETI) is carried out?
A) By using radio telescopes to search for signals from extraterrestrial civilizations
B) By analyzing high-resolution images of nearby stars in search of evidence for structures that could not have developed naturally
C) By searching for planets around distant stars
D) By using X-ray telescopes to search for exhaust from interstellar spacecraft
E) By seeking access to the secret records and alien corpses kept at the military's Area 51 in Nevada

Question

Quizplus · Accepted Answer

The primary way that the search for extraterrestrial intelligence (SETI) is carried out is by using radio telescopes to search for signals from extraterrestrial civilizations. This method is known as radio SETI and is the most developed and well-funded approach to SETI. Other methods, such as searching for exoplanets or analyzing high-resolution images for evidence of structures, are related but not strictly considered SETI.

At Present, What Is the Primary Way That the Search