If we were looking for a planet like our with 30 billion humans all at a peak standard of living... 9% of the planets land would need to be capturing solar energy. At our current technology, we can only detect such a planet if it was covered with 23% solar capturing. Of course, it's a pretty fucking big presumption that our "advanced" energy technologies (solar, nuclear) are the end state of a civilizations energy innovation 😏 nostr:nevent1qqs07a3sutsnwmfvk73jh2jw4dh2u54aygp63zcy4fjwjcngaqw5nwqpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsygpc229c7vra4uwygjum33j9v6gglg6fv9z2ellzu8atvewdmh4jtqpsgqqqqqqseffgkj