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.
Published on Sep 20, 2013. Poet Mary Oliver reads her poem Wild Geese: You do not have to be good. You do not have to walk on your knees. For a hundred miles through the desert, repenting. You only have to let the soft animal of your body. love what it loves. Tell me about your despair, yours, and I will tell you mine. Meanwhile the world goes on.