With Webb on station, engineers will focus on aligning the telescope's optical system.
launched Webb on Christmas Day
Spacecraft at or near L2 orbit the sun in lockstep with Earth and can remain on station with a minimum amount of rocket fuel, allowing a longer operational lifetime than might otherwise be possible. Along with saving fuel, orbiting L2 also will allow Webb to observe the universe while keeping its giant sunshade broadside to the sun and the telescope's optics and instruments on the cold side.
Asked to provide a layman's view of a Lagrange point, Jane Rigby, Webb project scientist at the Goddard Space Flight Center, told reporters"the way I see it in my head is like a Pringles potato chip."
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