Fullformexpand.com, 2026. "ORFEUS." Accessed July 29, 2026. https://www.fullformexpand.com/orfeus/orbiting-retrievable-far-extreme-ultraviolet-spectrometer.
"ORFEUS." (n.d.). Fullformexpand.com. Retrieved July 29, 2026, from https://www.fullformexpand.com/orfeus/orbiting-retrievable-far-extreme-ultraviolet-spectrometer.
ORFEUS. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/orfeus/orbiting-retrievable-far-extreme-ultraviolet-spectrometer (Accessed: 29 July 2026).
Discovered by André-Marie Ampère in 1810, Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists as a highly toxic…