How two astronauts had been left in area for 9 months

Nasa astronauts Suni Williams and Butch Wilmore have been left on the Worldwide House Station (ISS) for 9 months, after the Boeing Starliner capsule that carried them there encountered faults.

On 14 March, SpaceX launched a rocket carrying a brand new crew to the ISS, as a part of a plan to carry the astronauts again to Earth.

Suni and Butch are because of start their journey again to Earth two days after the brand new crew arrives, however circumstances on Earth might delay the return.

The BBC’s Aruna Iyengar explains how the astronauts ended up on the ISS for 9 months.

Video filmed and edited by Gabriela Boccaccio.

Video produced by Ian Casey and Rachel Flynn.