All posts tagged age of Earth

Multiwavelength composite image of the remnant of Tycho's supernova, SN 1572. Photo credit: NASA/MPIA/Calar Alto Observatory, Oliver Krause et al.

These rocks just got a little bit older

Have you ever had a moment when person responds to you in a way that just makes you feel a little bit older than you did before?  You comment, for example, about a music group to someone, only to be [...]