text:  It's still a pretty accurate test, isn't it? Yes, it is. It's very accurate. The cluster of the Pleiades. Explain where it is out there in the galaxy. Well, it's about 400 light years from here. It's a beautiful little system. If you follow Orion's belt in the night sky and just look off to your right a little bit, it's right there. Little tiny sparkling grouping of stars.