One is the visible spectrum, as mentioned above, and the other is the radio spectrum. However, not all of the radio spectrum is useable for space communication. The available window spans from about 30 MHz to 30 GHz, although these are not absolute end frequencies.
Isaiah 43:2 (BBE) When you go through the waters, I will be with you; and through the rivers, they will not go over you: when you go through the fire, you will not be burned; and the flame will have no power over you.saiah 43:2 (CJB) When you pass through water, I will be with you; when you pass through rivers, they will not overwhelm you; when you walk through fire, you will not be scorched-the flame will not burn you.
I'll take a walk all by myself. So I can think of nothing else. But loving you when we find time. These are the things I'll do with you in mind. I'll pick a rose and feel the thorn. Every day that you are gone. A new memory to live I'll find. These are the things I'll do with you in mind.There'll come a day when I can live. To go and bring you back to me. We'll dance and sing and toast someone. There are the things I'll do with you in mind. There are the things I'll do with you in mind.o go and bring you back to me. We'll dance and sing and toast someone. There are the things I'll do with you in mind. There are the things I'll do with you in mind.