novaBBS - sci.astro.amateur - James Webb in orbit. just have to wait now

James Webb in orbit. just have to wait now

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Subject: James Webb in orbit. just have to wait now
From: rander3...@gmail.com (RichA)
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by: RichA - Wed, 26 Jan 2022 19:12 UTC

Re: James Webb in orbit. just have to wait now

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Subject: Re: James Webb in orbit. just have to wait now
From: csok...@gmail.com (StarDust)
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by: StarDust - Thu, 27 Jan 2022 09:51 UTC

Re: James Webb in orbit. just have to wait now

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Subject: Re: James Webb in orbit. just have to wait now
From: jsav...@ecn.ab.ca (Quadibloc)
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by: Quadibloc - Thu, 27 Jan 2022 20:57 UTC

On Thursday, January 27, 2022 at 2:51:19 AM UTC-7, StarDust wrote:

> Mirrors have to be cleaned first with Windex !

If that were the case, we would already be sunk. Since the JWST
is at the L2 point of the Earth-Sun system, it is not accessible for
repairs by astronauts.

John Savard

Re: James Webb in orbit. just have to wait now

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Subject: Re: James Webb in orbit. just have to wait now
From: csok...@gmail.com (StarDust)
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by: StarDust - Fri, 28 Jan 2022 04:54 UTC

On Thursday, January 27, 2022 at 12:57:22 PM UTC-8, Quadibloc wrote:
> On Thursday, January 27, 2022 at 2:51:19 AM UTC-7, StarDust wrote:
>
> > Mirrors have to be cleaned first with Windex !
> If that were the case, we would already be sunk. Since the JWST
> is at the L2 point of the Earth-Sun system, it is not accessible for
> repairs by astronauts.
>
> John Savard

Cleaning robots, like the rumba, is the way to go!

Re: James Webb in orbit. just have to wait now

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Subject: Re: James Webb in orbit. just have to wait now
From: MitchAl...@aol.com (MitchAlsup)
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by: MitchAlsup - Thu, 3 Feb 2022 03:41 UTC

Re: James Webb in orbit. just have to wait now

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Subject: Re: James Webb in orbit. just have to wait now
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by: Pent - Fri, 4 Feb 2022 09:26 UTC

On 03/02/2022 03:41, MitchAlsup wrote:
> There is a tank of 'some kind of gas' that can blow off the dust that will collect on the mirrors.

SOHO has been working for over 25 years and no one goes out there to
polish the glass, unlike the James Webb it points towards the solar
wind. Although various corrective optics were added to the Hubble to
fixed the flaw they didn't wipe the mirror while there either, it's
still limping along after 30 years.

They all work in a hard vacuum.

Re: James Webb in orbit. just have to wait now

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Subject: Re: James Webb in orbit. just have to wait now
From: csok...@gmail.com (StarDust)
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by: StarDust - Fri, 4 Feb 2022 10:29 UTC

On Friday, February 4, 2022 at 1:26:36 AM UTC-8, Pent wrote:
> On 03/02/2022 03:41, MitchAlsup wrote:
> > There is a tank of 'some kind of gas' that can blow off the dust that will collect on the mirrors.
> SOHO has been working for over 25 years and no one goes out there to
> polish the glass, unlike the James Webb it points towards the solar
> wind. Although various corrective optics were added to the Hubble to
> fixed the flaw they didn't wipe the mirror while there either, it's
> still limping along after 30 years.
>
>
> They all work in a hard vacuum.

Hubble's optics is inside a tube, JWT is outside, exposed to the elements of space!

Natural laws have no pity.

tech / sci.astro.amateur / James Webb in orbit. just have to wait now

Subject	Author
James Webb in orbit. just have to wait now	RichA
Re: James Webb in orbit. just have to wait now	StarDust
Re: James Webb in orbit. just have to wait now	Quadibloc
Re: James Webb in orbit. just have to wait now	StarDust
Re: James Webb in orbit. just have to wait now	MitchAlsup
Re: James Webb in orbit. just have to wait now	Pent
Re: James Webb in orbit. just have to wait now	StarDust