Object Details
- Description
- Photograph representing the first radar echoes received from the moon using the Naval Research Laboratory 50-foot radio telescope at wavelengths as short as 10 centimeters and pulse lengths as short as 1/2,000,000th of a second. This work showed that the distance from the earth to the moon is 384,400.2 plus or minus 1.1 kilometers.
- Location
- Currently not on view
- Data Source
- National Museum of American History
- Measurements
- overall: 12 in x 9 1/2 in; 30.48 cm x 24.13 cm
- Object Name
- photograph
