Solar flare

A solar flare (or solar plasma eruption) is an explosion in a star's atmosphere, that accelerates plasma into space at great speeds. By the 24th century, various techniques existed to trigger solar flares, including particle beams and electromagnetic pulses. The concentration of Cosmic rays that can accompany a solar flare can be measured on the Ritter scale.

After being transported back in time to 1947 Earth, Rom theorized that solar flares could be interfering with their universal translators. 

In 2266, a solar flare accompanied by high levels of Cosmic rays was discharged by the sun in the Minarian star system. The USS Enterprise (NCC-1701) was forced to leave orbit around one of the Minarian planets to protect it's systems from the solar flare while its landing party of Kirk, Spock, and McCoy remained on the planet surface judging that the planets atmosphere would shield them from the flares effects. 

In 2353, a Kohl planet was rendered temporarily uninhabitable by a solar flare. 

During a scan of Aldean DNA, Doctor Beverly Crusher was able to confirm that solar flare variations were not responsible for the Aldeans' sterility. 

In 2365, the Bringloidi civilization was threatened by solar flares in the Ficus sector. 

During a battle in the Klingon civil war, Kurn destroyed two pursuing Birds-of-Prey by triggering a solar flare. 

While investigating a Dyson sphere, the USS Enterprise (NCC-1701-D) is pulled inside the sphere and observes the unstable star within expelling a solar flare, which Data indicates as Magnitude 12, Class B.

In early 2370, the USS Enterprise (NCC-1701-D) triggered a solar flare and was successful in destroying a Borg ship. 

In 2371, Grand Nagus Zek talked to a representative of planet which had been affected by solar flares, damaging its agriculture industry. The Ferengi leader agreed to provide the planet with Kohlanese barley. 

In 2372, intense solar flare activity caused electrodynamic turbulence throughout the Drayan star system. 

In 2373, Lieutenant B'Elanna Torres listed a solar flare as one of many factors that could interfere with USS Voyager's attempt to bring the Barzan wormhole to them with verterons. 

In 2375, during the Dominion War, the Klingon Bird-of-Prey, Rotarran, triggered a solar flare in the Monac sun. The flare destroyed the Monac shipyards. 

In 2378, a solar flare disrupted a transmission from Earth to the USS Voyager in the Delta Quadrant, cutting a message from John and Mary Kim to their son Harry short.