Hubble's operation is monitored 24 hours per day by four teams of flight controllers who make up Hubble's Flight Operations Team.Challenger disaster, delays, and eventual launch By early 1986, the planned launch date of October that year looked feasible, but the Challenger accident brought the U.S.. 
Before the Launch of Hst, estites of the Hubble constant typically had errọrs of up to 50%, but Hubble measurements of cepheid variables in the Virgo Cluster and other distant galaxy Clusters provided a measured value with an Accuracy of +10–10, which is consistent with other more accurate measurements made since Hubble's Launch using other Techniques.While Hubble helped to re estites of the age of the Universe, it also cast Igun Igun the ori about its future.. 