and el , ▁October ▁ 3 , ▁ 2 0 1 1 ▁( access ed ▁May ▁ 2 3 , ▁ 2 0 1 6 ). ▁ ▁Video : ▁Den ise ▁and ▁Eric ▁K and el : ▁E - C igare tt es ▁May ▁Prom ote ▁Il licit ▁D rug ▁Use ▁and ▁Add iction , ▁Columbia ▁University ▁News , ▁September ▁ 2 , ▁ 2 0 1 4 ▁( access ed ▁May ▁ 2 3 , ▁ 2 0 1 6 ). ▁ ▁Category : American ▁ep ide mi olog ists ▁Category : Med ical ▁soci olog ists ▁Category : 1 9 3 3 ▁birth s ▁Category : L iving ▁people <0x0A> </s> ▁Space fl ight ▁( or ▁space ▁flight ) ▁is ▁ball istic ▁flight ▁into ▁or ▁through ▁outer ▁space . ▁Space fl ight ▁can ▁occur ▁with ▁space craft ▁with ▁or ▁without ▁humans ▁on ▁board . ▁Y uri ▁G ag arin ▁of ▁the ▁Soviet ▁Union ▁was ▁the ▁first ▁human ▁to ▁conduct ▁a ▁space fl ight . ▁Ex amples ▁of ▁human ▁space fl ight ▁include ▁the ▁U . S . ▁Apol lo ▁Moon ▁landing ▁and ▁Space ▁Sh utt le ▁programs ▁and ▁the ▁Russian ▁So y uz ▁program , ▁as ▁well ▁as ▁the ▁on going ▁International ▁Space ▁Station . ▁Ex amples ▁of ▁un cre wed ▁space fl ight ▁include ▁space ▁prob es ▁that ▁leave ▁Earth ▁orbit , ▁as ▁well ▁as ▁sat ell ites ▁in ▁orbit ▁around ▁Earth , ▁such ▁as ▁communic ations ▁sat ell ites . ▁These ▁operate ▁either ▁by ▁t eler ob otic ▁control