Планета

HTML


        <div id="fon">
            <div id="a">
                <div id="myr">
                </div>
            </div>
        </div>
   

CSS

#fon{
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 0;
    background: black;
}
#myr{
    width: 240px;
    height: 240px;
    position: absolute;
    z-index: 1;
    border-radius: 50%;
    transform: rotateZ(-15deg);
    animation: rot 27s linear infinite;
    background-image: url(https://u-stena.ru/upload/iblock/384/3845f4dce25de5737168bcfa2dab2985.jpg);
    background-size: 220%;
    box-shadow: inset 215px 0px 150px #000;  
}
@keyframes rot {
     0%{background-position; 0px;}
   100%{background-position: 1800px;}
}
#a{
    width: 34px;
    height: 34px;
    top: 58%;
    left: 55%;
    position: fixed;
    animation: ro 27s linear infinite;
}