{"version":"1.0","type":"link","title":"Planetary core - Newikis","description":"A planetary core consists of the innermost layers of a planet. Cores may be entirely liquid, or a mixture of solid and liquid layers as is the case in the Earth. In the Solar System, core sizes range from about 20% (the Moon) to 85% of a planet's radius (Mercury).","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/c/c0/Gas_Giant_Interiors.jpg/1280px-Gas_Giant_Interiors.jpg","thumbnail_width":1280,"thumbnail_height":763}