This once-overlooked invention from the 1800s was crucial in getting astronauts to the Moon 🌕 Follow us behind the scenes in the Ri Archives as Katy uncovers the history of the Grove voltaic cell. | Royal Institution of Great Britain

NASA is planning to put astronauts on the moon for the first time since 1972. CNN's Jackie Wattles breaks down the audacious mission design that has experts worried the US could lose the new moon race. Note: The following animations are not to scale, and details such as flight paths are simplified to give an illustrative overview of the mission design. Read more: https://cnn.it/48eAVJM | CNN