March 2015

Fotones honestos: Quizás alguno de los radiofísicos que leen este blog y que trabajan en hospitales haya tenido que aplicar sus técnicas en objetos con cientos de años de antigüedad. […]

Writing on the Wall: Just how old is astronomy? We aren’t really sure, but we do know astronomy pre-dates history. By the 4th century BC, for example, the Greeks had […]

Peribothron: One of the things we tend to do in astronomy is assign different names to things that are basically the same. Take, for example, the term perihelion. The word […]