NASA Identifies Cause of Mars Helicopter’s Final Crash - VOA Learning English

NASA says it has found the likely cause of an accident that grounded its Mars helicopter Ingenuity. The experimental helicopter crash landed on the Martian surface in January. Engineers found the crash was linked to the helicopter’s navigation system.Ads Links by Easy Branches
Play online games for free at games.easybranches.com

Guest Post Services www.easybranches.com/contribute