. On this day in 1764 – September 17th – English astronomer John Goodricke was born in Groningen in the Netherlands.
An infection as an infant rendered him deaf and unable to speak. However he overcame the handicaps and became a highly proficient observer and pioneering investigator of variable stars. He theorized that the variable star Algol was a binary star whose variability was due to a dark companion periodically eclipsing it.
We take forum safety very seriously here at BellaOnline. Please be sure to read through our Forum Guidelines. Let us know if you have any questions or comments!