Inscription
Planetary Radio Emissions Discovery Site In 1955 Scientists Bernard Burke and Kenneth Franklin from the Carnegie Institution of Washington accidentally discovered naturally-generated radio waves from Jupiter using a 96-acre antenna array. This discovery led to greater under- standing of planetary magnetic fields and plasmas and opened a new window in our exploration of the solar system.
Maryland Historical Trust Maryland State Highway Administration
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More markers in Montgomery
Gold Mining in Maryland
Potomac, MD
Gold Mining in Maryland Most gold found in Maryland came from the Potomac area.
General Edward Braddock
Gaithersburg, MD
General Edward Braddock In April 1755, accompanied by Gov. Horatio Sharpe of Maryland, traveled this road in a coach and six horses, on...
Richard Montgomery
Rockville, MD
Born in Ireland; served in the British Army in the French & Indian War.
Dr. Thomas Sprigg Wootton
Rockville, MD
Dr. Thomas Sprigg Wootton c. 1740-1789 A local resident, member of Maryland's first Constitutional Congress and the first Speaker of the...
Daniel Carroll of Rock Creek *MISSING*
Silver Spring, MD
Daniel Carroll of Rock Creek July 22, 1730 - May 7, 1798 Near this spot was the home of Daniel Carroll, member of the second Continental...
