▁The ▁measured ▁pressure ▁at ▁the ▁landing ▁site ▁was ▁ 9 1 ▁at m ▁and ▁the ▁temperature ▁was ▁. ▁The ▁surface ▁sample ▁was ▁found ▁to ▁be ▁an ▁an orth os ite – t ro ct ol ite ▁rock , ▁rarely ▁found ▁on ▁Earth , ▁but ▁present ▁in ▁the ▁lun ar ▁high lands , ▁leading ▁to ▁the ▁conclusion ▁that ▁the ▁area ▁was ▁probably ▁the ▁oldest ▁expl ored ▁by ▁any ▁V ener a ▁vehicle . ▁It ▁transm itted ▁data ▁from ▁the ▁surface ▁for ▁ 5 6 ▁minutes . ▁ ▁Bal lo on ▁ ▁The ▁V ega ▁ 2 ▁Land er / Bal lo on ▁caps ule ▁entered ▁the ▁Ven us ▁atmosphere ▁( 1 2 5   km ▁alt itude ) ▁at ▁ 0 2 : 0 6 : 0 4 ▁U T ▁( E arth ▁received ▁time ; ▁Moscow ▁time ▁ 0 5 : 0 6 : 0 4 ) ▁on ▁ 1 5 ▁June ▁ 1 9 8 5 ▁at ▁roughly ▁ 1 1   km / s . ▁At ▁approximately ▁ 2 : 0 6 : 1 9 ▁U T ▁the ▁par ach ute ▁attached ▁to ▁the ▁landing ▁craft ▁cap ▁opened ▁at ▁an ▁alt itude ▁of ▁ 6 4   km . ▁The ▁cap ▁and ▁par ach ute ▁were ▁released ▁ 1 5 ▁seconds ▁later ▁at ▁ 6 3   km ▁alt itude . ▁The ▁bal lo on ▁package ▁was ▁pulled ▁out ▁of ▁its ▁compart ment ▁by ▁par ach ute ▁ 4 0 ▁seconds ▁later ▁at ▁ 6 1   km ▁alt itude ,