Associations to the word «Spectroheliograph»

Wiktionary

SPECTROHELIOGRAPH, noun. (astronomy) an instrument that produced monochromatic photographs of the sun using light at a selected wavelength

Wise words

To use the same words is not a sufficient guarantee of understanding; one must use the same words for the same genus of inward experience; ultimately one must have one's experiences in common.
Friedrich Nietzsche