The waxing Moon marches east across the evening sky. It says hello to binary Gamma Arietis on Saturday, then occults some of the Pleiades for Europe on Tuesday. But it's past them by nightfall in North America.
We all know people that seem to defy aging and appear much younger than they actually are. This same phenomenon happens in astronomy, too. Some stars just don't seem to age the same way other stars do.

