Yep, explained here: <a href="http:&#x2F;&#x2F;www.physics.org&#x2F;facts&#x2F;sand-dark.asp" rel="nofollow">http:&#x2F;&#x2F;www.physics.org&#x2F;facts&#x2F;sand-dark.asp</a><p>Of course, if there were an infinite amount of light (visible or not) reaching Earth, you&#x27;d be dead.