▁radiation ). ▁ ▁A ▁second ▁example ▁is ▁de ▁S itter ▁space ▁which ▁contains ▁an ▁event ▁horizon . ▁In ▁this ▁case ▁the ▁temperature ▁ ▁is ▁proportional ▁to ▁the ▁Hub ble ▁parameter ▁, ▁i . e . ▁. ▁ ▁See ▁also ▁Haw king ▁radiation ▁ ▁References ▁▁▁ ▁Category : General ▁relativ ity ▁Category : Ste phen ▁Haw king <0x0A> </s> ▁In ▁the ▁finale ▁to ▁the ▁ 1 9 7 0 – 7 1 ▁FA ▁Cup ▁season , ▁the ▁ 1 9 7 1 ▁FA ▁Cup ▁Final ▁was ▁cont ested ▁by ▁Ar sen al ▁and ▁Liverpool ▁at ▁W emble y ▁on ▁ 8 ▁May ▁ 1 9 7 1 . ▁ ▁Ar sen al ▁won ▁ 2 – 1 ▁after ▁extra ▁time , ▁with ▁all ▁three ▁goals ▁coming ▁in ▁the ▁added ▁half - hour . ▁Steve ▁He igh way ▁opened ▁the ▁scoring ▁for ▁Liverpool ▁with ▁a ▁low ▁drive ▁past ▁Wilson ▁on ▁his ▁near ▁post . ▁However , ▁Ar sen al ▁equal ised ▁with ▁a ▁sc ram bled ▁goal ▁from ▁substitute ▁Edd ie ▁Kelly ▁– ▁the ▁first ▁time ▁a ▁substitute ▁had ▁ever ▁scored ▁in ▁an ▁FA ▁Cup ▁final . ▁The ▁goal ▁was ▁initially ▁cred ited ▁to ▁George ▁Graham ▁after ▁he ▁whe e led ▁away ▁in ▁celebr ation ▁after ▁appearing ▁to ▁get ▁the ▁final ▁touch ▁but ▁the ▁goal ▁is ▁now ▁most ▁often ▁attributed ▁to ▁Kelly , ▁with ▁some ▁claim ing ▁that ▁television ▁re plays ▁suggest ▁that ▁Graham ▁may ▁have ▁sw ung ▁at ▁the ▁ball ▁without ▁connecting . ▁The ▁video ▁foot age ▁remains ▁incon clus ive ▁and ▁there ▁remain