Mars Crater Of Water Ice

https://www.youtube.com/watch?v=TenN8BBK1JU

http://www.astronomy.com/news/photos/2018/12/mars-korolev-crater-a-massive-reservoir-of-water-ice?fbclid=IwAR0-uQ-fpMkQl6ea6F-sWQko9BnqJwwgIO4rPtMK1Lxqd_A1JMuwNeWQKkg Water ice exists on Mars in Korolev crater which holds a ice that is 1.8 kilometers thick. http://www.astronomy.com/news/photos/2018/12/mars-korolev-crater-a-massive-reservoir-of-water-ice