While the whole world awaits the astronauts’ return after nine months, experts say it won’t be easy for them to adapt to the earth’s ways.

Sunita Williams and Butch Wilmore have completed over 900 hours of research involving 150 scientific experiments and technology demonstrations during their extended stay on the orbiting laboratory.

The Crew-10 mission aboard a SpaceX Falcon 9 rocket occurred at 7:03 pm EDT (Saturday, 4:33 am IST) from Launch Complex 39A at NASA's Kennedy Space Center.