Kids are never too young to start observing things in the sky. Even if you live in a city full of light pollution, you can at least see the moon and a few of the brightest stars.
As any parent knows who has ever thrown their hands up in exasperation and said “Because I SAID SO!” …preschoolers are the kings and queens of asking WHY. This has inspired my new series of blog segments Answering the “WHYs”. In these posts I will attempt to explain some of the everyday science phenomena that kids are often curious about.