Monday, Nola Taylor Redd | Published; April 1; 2019. "Where did Earths water come from". Astronomy.com. Retrieved 2020-07-16.{{cite web}}: CS1 maint: numeric names: فهرست نویسندگان (link)
US Department of Commerce, National Oceanic and Atmospheric Administration. "Are there oceans on other planets?". oceanservice.noaa.gov (به انگلیسی). Retrieved 2020-07-16.
US Department of Commerce, National Oceanic and Atmospheric Administration. "Are there oceans on other planets?". oceanservice.noaa.gov (به انگلیسی). Retrieved 2020-07-16.