But let's suppose some aliens had been watching our pale blue dot in the cosmos from afar, not just for 40 years, but for the entire 4.5 billion-year history of our Earth.
Namun bayangkan alien telah melihat cahaya biru lemah dari planet kita di alam semesta dari jauh, tidak hanya selama 40 tahun namun selama 4,5 miliar sejarah Bumi kita.