Flares are used for distress signaling, illumination, or defensive countermeasures in civilian and military applications. Flares may be ground pyrotechnics, projectile pyrotechnics, or parachute-suspended to …

Keep your family secure with durable, self-contained road flares. Easily visible in any situation, these flares require no batteries or separate light source.

Noun the sudden flare of the match When the crew saw flares, they knew the other ship was in trouble. Verb pants that flare at the bottom The bull flared its nostrils.

Possible radiation sources include flares from late-type parent stars, gamma-ray bursts, and gamma-ray lines from supernovae.

Much like a snow avalanche that starts with a small shift before cascading downhill, new observations show that solar flares begin with subtle magnetic disturbances that rapidly intensify.

3 days ago · This sudden release of energy can trigger a solar flare. The strongest flares can set off a chain of events that reaches Earth, sometimes causing geomagnetic storms and radio blackouts. …

Jan 21, 2026 · Solar flare, sudden intense brightening in the solar corona, usually in the vicinity of a magnetic inversion near a sunspot group. The flare develops in a few minutes, or even seconds, and …

Definition of flare noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 20, 2026 · Strong Flare Erupts From Sun The Sun emitted a strong solar flare, peaking at 1:09 p.m. EST on Jan. 18, 2026. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, …

Oct 15, 2025 · Both LED and pyrotechnic flares have their uses for sending signals, but they also each bring different versatility to your survival kits. The best emergency flares can be used for a wide …