How could Russia help North Korea build a satellite?

North Korean leader Kim Jong Un on Wednesday toured Russia's most modern space launch centre, where President Vladimir Putin promised to help Pyongyang build satellites. The unprecedented visit comes as North Korea seeks to put its first spy satellite into orbit, an effort that has seen two failed attempts this year. The promised Russian aid comes as North Korea's scientists have vowed to try another launch of the new Chollima-1 booster in October. More

(Source: Reuters - Sep 14)