They can go in incubator now. They can be put in incubator 2 days after set or up to 8 days. The duck egg that was layed yesterday can be but wait a day or 2 for the newer ones. I would wait a while until you have a clutch of eggs that are needed, the eggs will be fine up to 8 days.
At last, on January 31, 1958, the United States succeeded in launching its first satellite, the Explorer. The Explorer was still slighter than Sputnik, but its launch sent it deeper into space. The Soviets responded with yet another launch, and the space race continued.
The United States Congress passes legislation formally inaugurating the National Aeronautics and Space Administration (NASA). The establishment of NASA was a sign that the United States was committed to winning the âspace raceâ against the Soviets. In October 1957, the Soviet Union shocked the world, and particularly the American public, by launching the first satellite into orbit around the earth.