To reduce that risk, a nitrogen gas purge was performed before launching the telescope into space.While construction of the spacecraft in which the telescope and instruments would be housed proceeded somewhat more smoothly than the construction of the OTA, Lockheed still experienced some budget and schedule slippage, and by the summer of 1985, construction of the spacecraft was 30% over budget and three months behind schedule.. 
Bach kò tíì jẹ́ ọmọ ọdún mẹ́wá nígbàtí bàbá rẹ̀ kú, ó fi í sílẹ̀ aláìníbaba.. 