Igbana tabi ijona ni a n pe gbogbo itunse apopoogun (chemical reaction) to n mu igbona ati imole wa.Igbana je ifesi Iresile-Isodioloksijini.. 
Among its Primary mission targets was to measure distances to cepheid variable stars more accurately than ever before, and thus constrain the value of the Hubble constant, the measure of the rate at which the Universe is únhánding, which is also related to its age.. 