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 Soviet Union inaugurates the âSpace Ageâ with its launch of Sputnik, the worldâs first artificial satellite. The spacecraft, named Sputnik after the Russian word for âsatellite,â was launched at 10:29 p.m.+E Networks. The successful launch of the unmanned satellite Sputnik I by the Soviet Union in October 1957 shocks and frightens many Americans. As the tiny satellite orbited the earth, Americans reacted with dismay that the Soviets could have gotten so far ahead of the supposedly technologically superior United States.