# All Questions

59 views

### Why can't we determine the center of the universe [duplicate]

I find this baffling. If we can observe objects moving away from us and each other, than it stands to reason that we can track their paths (relative to each other and ourselves) backward to find a ...
86 views

### Would an ultra bright moon indicate that the world is ending?

There is a sci-fi television episode that shows a man looking out the window into the night sky. There up in the sky is the moon, and it's extraordinarily bright. The man spends the rest of the night ...
24 views

### Can Summer Triangle asterism be used for navigation?

I am wondering, whether is it possible to use vega-altair-deneb asterism for navigational purpose? Or if there is any geometric relationship of it with Polaris? Any idea. Thanks
74 views