Clue: Radioactive emissions moving at the speed of light

Answer: GAMMARAYS

Length: 9

---

Similar Clues:

• High-speed Amtrak offering (ACELA with 5 letters)
• It travels at the speed of light (BEAM with 4 letters)
• Attention-getting light (FLARE with 5 letters)
• Light in the attic? (IDEA with 4 letters)
• Pest attracted to light (MOTH with 4 letters)
• Theater light (e.g. NEON with 4 letters)
• Offer water and light, say (NOURISH with 7 letters)
• Time unit for studying the speed of light: Abbr. (PSEC with 4 letters)
• Atoms in some light bulbs (ARGONS with 6 letters)
• Atmospheric emissions (AURORAS with 7 letters)