So @NASAWebb's due to launch 2021
Just look at its amazing orbit:
it'll orbit the Sun 1.5 million km farther than Earth (L2 point). It'll have same period as Earth thanks to Earth pulling it along, fine so far.. BUT it will also orbit a point of EMPTY space!
Credit:@NASAGoddardpic.twitter.com/NBf5fO0p7I
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It carries fuel with it. It will carry fuel for a 10-year lifetime (with margin).
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Is there any provision for refueling? Could a spacecraft visit JWST and replenish its fuel?
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Replying to @Samuel_XL5 @physicsJ and
Studies were conducted to evaluate the benefits/practicality/cost of servicing by humans/robots or maybe retrieval to low-Earth orbit, but potential benefits of servicing don't offset the increases in mission complexity/mass/cost. But never say never?
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