NASA astronaut explains how crew members use toilet in space; watch video

National Aeronautics and ncy (NASA) astronaut Chris Cassidy answered one of most frequently asked questions about life on International Station. Yes, how do astronauts at ISS go to bathroom? Cassidy in a 7-minute-long video that he shared on Twitter, explained technicalities of process for both number 1 and number 2. 

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How to use bathroom in ? 

Cassidy started by showing toilet at ISS, which is called Waste and Hygiene Compartment (WHC) in . Cassidy explains that desire to go to bathroom in is similar to as on Earth, where we just kw that we have to go. Cassidy explained it because of common misconception that fluid floats inside blder when in . "It's just exact same sensation for eir one, number 1 or number 2," Cassidy said.  

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main toilet for number 2 consists of a seat and a metal bucket, while for doing number 1, re is a Urine Processor Assembly (UPA) which has a hose and a valve. valve controls a fan that provides suction to hose which easily sucks urine being deposited into it. Cassidy shows entire process of urinating in using a simulator, jokingly ding that a good crew member always cleans it after use. 

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Cassidy n moves onto next process when he shows how to dump in . He starts by opening lid of seat, which reveals main dumping hole of just 5 to 6 inches in diameter. Inside dumping, hole is a plastic liner that crew members push inside after taking a dump. Crew members use a steel rod to push used plastic b furr inside metal container below seat and n replace liner with a new plastic bag for next user. 

International Station is a modular station revolving in Earth's orbit since 1998. As of May 2019, ISS h completed more than 1 lakh orbits at a speed of 7 kilometres per second. 

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