New Delhi, April 1 -- A four-member crew, including one woman, are all set to embark on the first crewed journey to the Moon since 1972.

The NASA moon mission, Artemis 2, is scheduled to take off from Florida as early as April 1 at 6:24 pm EST (3:54 AM IST on April 2).

Here is a space lingo cheatsheet to understand the terminology surrounding the NASA moon mission better:

The launch is a go: Things are on track to take off

The launch is a no go: The launch may be postponed

SLS (Space Launch System) is used to indicate the rocket

SLS nominal: Things are normal or going as planned

LOX and LH2: Liquid oxygen and Liquid hydrogen, used to load the rocket with cryogenic or supercold fuel for liftoff

Slow fill, fast fill, topping and rep...