It's been recommended that rainbows may possibly exist on Saturn's moon Titan, as it has a moist floor and humid clouds. The radius of the Titan rainbow could be about 49° in place of forty two°, because the fluid in that cold ecosystem is methane as opposed to h2o.??????? ??? ??? ??? ????, ??? ?? ?? ??? ??? ????.??? ?? ???? ??? ?? ???? ?????, ?