Few things are more exciting than watching a spacecraft lift off the launchpad and set off on a cosmic quest, as NASA's Artemis 1 mission is poised to do Monday.
But if you're a casual observer, it may be that few things are more confusing than hearing some of the jargon used by mission control.
For everyone who's not a NASA scientist or amateur astrophysicist, here are some of the terms you might hear during the historic launch -- and what they mean.NASA is aiming to launch Artemis 1 between 8:33 a.m. and 10:33 a.m. ET Monday -- with backup windows on September 2 and September 5 in case of bad weather or any delays. If the launch is a "go," that means things are on track. If it's a "no go," the launch may be postponed.
The core stage of the rocket includes engines, propellant tanks and avionics, or aviation electronic systems."L Minus" is used to indicate the time until liftoff in hours and minutes, while "T Minus" corresponds with the events included in the launch countdown. The "perigee raise maneuver" will occur about 12 minutes after launch. That's when the ICPS experiences a burn to raise Orion's altitude so it doesn't reenter Earth's atmosphere.
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