The Sun in H-alpha light. Creator: NASA.

---

The Sun in H-alpha light. Sun in the crimson light of hydrogen alpha (h-alpha), a specific deep-red visible spectral line emitted by many emission nebulae. It can be used to observe features in the Sun's atmosphere, including solar prominences and the chromosphere.

---

Size: 5244px × 4134px
Location:
Photo credit: © Heritage Space/Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -alpha, administration, aeronautics, alpha, astronomy, color, colour, concept, exploration, galaxy, heat, heritage, hydrogen, light, nasa, national, photograph, red, science, solar, space, sphere, sun, system, universe