In 1975, Dr. Joseph Taylor and his graduate student Russell Hulse discovered pulsars using the Arecibo Radiotelescope. In 1993 they won a Nobel Prize in Physics for that discovery, which helped confirm Einstein's theory of relativity.

The original version of this article is in Spanish. You can access it by clicking on ESPAÑOL at the top right of your screen. You can also contact our editor Mónica I. Feliú-Mójer (moefeliu@cienciapr.org).

The Arecibo Observatory in Puerto Rico, the largest radiotelescope in the world, celebrated 50 years of its installation.

The original version of this article is in Spanish. To read it click on ESPAÑOL at the top right of your screen. You can also contact our editor Mónica Feliú-Mójer (moefeliu@cienciapr.org).