
Space may be very cold but it is also a vacuum, which means there is very low air pressure, which in turn causes the water to boil. For the same reason, urine, which is mostly water, evaporates in space.
Space may be very cold but it is also a vacuum, which means there is very low air pressure, which in turn causes the water to boil. For the same reason, urine, which is mostly water, evaporates in space.