What were the sparks under the Space Shuttle before launch?

By |2020-10-06T10:55:33-04:00October 6th, 2020|Categories: Space Education|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Before a Space Shuttle liftoff, showers of sparks are seen flying around under the Space Shuttle's three main RS-25 engines (SSME's). What are those sparklers for and do they ignite the engines?The sparks are emitted by pyrotechnic devices called technically Radial Outward Firing Igniters (ROFIs) and colloquially "sparklers".#TwoMinuteTuesday #olhzn2MT #SpaceShuttleConnect with me here ‚ě° https://solo.to/olhznMEMBERS [...]