If you're happy to let them starve, then sure, although that would be a rather pointless thing to do. But if satellites were orbiting and then returning to Eart

If you're happy to let them starve, then sure, although that would be a rather pointless thing to do. But if satellites were orbiting and then returning to Earth after a few days or weeks, we'd know. And if they were being resupplied by other satellites, we'd know. It's really not that mysterious up there.