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Atheist Forums › Science › Physical Sciences v
James Webb telescope is live (well, almost)!

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James Webb telescope is live (well, almost)!
Jehanne Away
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#1
James Webb telescope is live (well, almost)!
March 19, 2022 at 3:11 pm (This post was last modified: March 19, 2022 at 3:13 pm by Jehanne. Edit Reason: It's Webb, not Web. )
Here is one of the first pics:

[Image: telescope_alignment_evaluation_image_labeled.jpg]

Astronomy Picture of the Day -- March 19, 2022
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Anomalocaris Offline
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#2
RE: James Webb telescope is live (well, almost)!
March 19, 2022 at 5:06 pm
the 6 spikes suggest some significant aberration remains to be corrected.
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zebo-the-fat Offline
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#3
RE: James Webb telescope is live (well, almost)!
March 19, 2022 at 5:30 pm
(March 19, 2022 at 5:06 pm)Anomalocaris Wrote: the 6 spikes suggest some significant aberration remains to be corrected.

the spikes are difraction paterns from the joins between the mirrors and was expected
The meek shall inherit the Earth, the rest of us will fly to the stars.

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Jehanne Away
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#4
RE: James Webb telescope is live (well, almost)!
March 19, 2022 at 5:58 pm
(March 19, 2022 at 5:30 pm)zebo-the-fat Wrote:
(March 19, 2022 at 5:06 pm)Anomalocaris Wrote: the 6 spikes suggest some significant aberration remains to be corrected.

the spikes are difraction paterns from the joins between the mirrors and was expected

The astronomers give an explanation of that in their post; the laws of physics.
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vulcanlogician Offline
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#5
RE: James Webb telescope is live (well, almost)!
March 19, 2022 at 7:51 pm
Awesome! I'm interested in what mysteries JWST can help us solve.
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HappySkeptic Offline
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#6
RE: James Webb telescope is live (well, almost)!
March 20, 2022 at 9:31 pm
Yeah - the spikes are from the hexagonal mirrors. Not a big problem, though diffraction spikes are why amateurs prefer refractors for astrophotography.
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Atheist Forums › Science › Physical Sciences v
James Webb telescope is live (well, almost)!

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