Even if societies on stars in distant galaxies survive at a technological level for only 10 years, that is long enough to establish two-way communication with them.

Question

Quizplus · Accepted Answer

The vast distances between galaxies mean that even at the speed of light, communication would take millions to billions of years one way, making two-way communication within 10 years impossible.

Even If Societies on Stars in Distant Galaxies Survive at a Technological