Astronomy

Stars seem pretty permanent don’t they? One generation goes and another arrives and there they still are, exactly as described before for hundreds of years. Yet all this is merely an illusion of permanence that doesn’t exist. The truth is that stars have lifetimes just as humans do but their...

Our Seemingly Nearby Moon The moon seems nearby when viewed on a clear night. Yet at its closest it is 225,623 miles away and 252,088 miles at its farthest giving it an average distance of 238,855 miles. So the difference between being farthest and nearest is 13,233 miles or approx a little...

Our Very Distant Sun Many persons don't really appreciate just how tremendously distant our Sun really is because it can be so blistering hot on summer days and it seems so prominent in our sky. But in reality, what seems to be a fairly nearby sun is actually an almost unimaginably enormous...