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  Day 4: God made the sun, moon, and stars visible as distinct luminaries from the earth’s surface.—Genesis 1:14-19.

So although diffused light became visible on the first day, the light’s source was not yet recognizable. On the fourth day, the atmosphere apparently cleared up. The Bible says that the sun, moon, and stars now began to “shine upon the earth,” evidently describing how they would have been seen from the perspective of an observer on earth.—Genesis 1:17.