Wondering icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="24" height="24"><path fill="currentColor" d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zM8 1.5a6.5 6.5 0 1 1 0 13a6.5 6.5 0 0 1 0-13zm3.652 7.9l.351 1.2l-6.828 2l-.351-1.2zM4 5a1 1 0 1 1 2 0a1 1 0 0 1-2 0zm6 0a1 1 0 1 1 2 0a1 1 0 0 1-2 0z"/></svg>