spectroheliograph
spectroheliograph · spectroheliographs
An instrument that produced monochromatic photographs of the sun using light at a…An instrument that produced monochromatic photographs of the sun using light at a selected wavelength
Значення
значень: 1An instrument that produced monochromatic photographs of the sun using light at a selected wavelength
Форми
множина: spectroheliographs| Однина | spectroheliograph |
|---|---|
| Множина | spectroheliographs |
правильне