Quote:
Originally Posted by woob
That video I posted explains a bit about keeping the telescope in L2. Every now and then, the telescope will need to do a burn to correct it's positioning within L2 orbit. That's why it has a defined lifespan, as it only has enough fuel to self correct it's positioning for 10 years or so.
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They have already announced that they saved a bunch of fuel from burns that have already happened, so they should have enough fuel for longer than 10 years.