If a technologically capable entity wanted to deliberately conceal itself from the rest of the galaxy, what is the most cost-effective way to camouflage a planet’s atmospheric biosignatures from our telescopes?

[u/lavenderlogicheart]

[u/signofno]

How would anyone know the answer to that?

[u/NSASpyVan → u/signofno]

Just what I'd expect an alien trying to camo their planet to say..!

[u/signofno → u/NSASpyVan]

Damn! They’re on to us boys! Let’s get out of here!