In a world first, Japan's space agency announced it successfully used steam to propel a spacecraft - EQUULEUS toward the Moon.
It was launched as one of the payloads aboard Nasa’s Orion spacecraft.
As per JAXA, this is the world’s first successful orbit control beyond low-Earth orbit using a water propellant propulsion system.
It uses waste heat from the communication kit to convert the water into steam that is squirted out to produce thrust.
The CubeSat is expected to reach the second Earth-Moon Lagrange point (EML2) in approximately one-and-a-half years.
Lagrangian points are locations in space where the gravity of large objects, such as planets, are balanced out by the centrifugal force of a spacecraft, allowing for a very stable orbit.