It had to come through intergalactic space, through the Earth's atmosphere, where water vapor can absorb it, and everything worked out perfectly, the size of the Earth at that wavelength of light, one millimeter wavelength, was just right to resolve that black hole, 55 million light-years away.
Cahaya harus datang melalui ruang intergalaksi, melewati atmosfer Bumi, di mana uap air bisa menyerapnya, dan semua berjalan dengan sempurna, ukuran Bumi, dalam panjang gelombang cahaya itu, satu milimeter panjang gelombang, pas untuk menjelaskan lubang hitam itu, 55 juta tahun cahaya jauhnya.