▁habit able ▁zone ▁of ▁the ▁star ▁in ▁ 2 0 1 0 . ▁According ▁to ▁H ag high ip our , ▁the ▁detection ▁is ▁important ▁because ▁it ▁" ind ic ates ▁that ▁observ ational ▁techniques ▁are ▁on ▁the ▁right ▁track ▁for ▁finding ▁habit able ▁low - mass ▁rock y ▁plan ets ▁similar ▁to ▁Earth ." ▁ ▁According ▁to ▁its ▁discover ers , ▁H IP ▁ 5 7 0 5 0 ▁b ▁provides ▁support ▁for ▁the ▁proposition ▁that ▁planet - b ear ing ▁M - class ▁stars ▁tend ▁to ▁be ▁metal - rich , ▁a ▁correlation ▁already ▁observed ▁in ▁F , ▁G ▁and ▁K - class ▁stars . ▁ ▁At ▁the ▁expected ▁planet ary ▁effective ▁temperature , ▁the ▁atmosphere ▁may ▁contain ▁water ▁clouds , ▁potentially ▁detect able ▁by ▁the ▁Hub ble ▁Space ▁T eles cope ▁if ▁it ▁could ▁capture ▁a ▁planet ary ▁trans it . ▁ ▁The ▁planet ' s ▁discover ers ▁spec ulated ▁about ▁the ▁possibility ▁of ▁a ▁habit able ▁moon : ▁" By ▁anal ogy ▁with ▁our ▁own ▁solar ▁system , ▁whose ▁gas ▁gi ants ▁all ▁have ▁do z ens ▁of ▁mo ons , ▁one ▁might ▁expect ▁H IP ▁ 5 7 0 5 0 ▁b ▁to ▁also ▁har bor ▁such ▁mo ons . ▁In ▁our ▁solar ▁system , ▁ ∼ 0 . 0 2 % ▁of ▁the ▁masses ▁of ▁the ▁gas ▁gi ants ▁are ▁assigned ▁to ▁their ▁sat ell ites . ▁This ▁would ▁translate ▁to ▁a ▁satellite ▁with ▁ ∼ 2 % ▁of ▁Earth ' s ▁mass ▁( similar ▁to ▁T