More Gravitational Observatories

Just when my non-scientific brain had recovered from writing the recent LIGO post, my co-writer Noel kindly informed me that there are two similar gravitational observatories in Europe: GEO 600 in Germany and VIRGO in Italy. GEO 600 (Wikipedia, official site), located near Sarstedt, works in conjunction with the LIGO program to try to detect gravitational waves. The ‘arms’ are 3km in length (compared to LIGO’s 4km) and the facility is only visible in the low-res image above. However, the VIRGO facility is conveniently crossed by a couple of roads driven by the Street View car. A joint…

Read full article »