Rotation SMIL animation
by yamachem - uploaded on September 19, 2015, 1:54 pm
An animation which depicts four objects rotating around a purple sphere.
The black objects 's laptime is 7 seconds while the purple objects 's one is 8 seconds.
It is implemented by SMIL.
The tutorial I referred to is here: https://css-tricks.com/guide-svg-animations-smil/