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tech / sci.astro.amateur / Re: Mars....has a comet-like tail

Mars....has a comet-like tail

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Subject: Mars....has a comet-like tail
From: rander3...@gmail.com (RichA)
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by: RichA - Wed, 13 Oct 2021 01:20 UTC

Re: Mars....has a comet-like tail

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Subject: Re: Mars....has a comet-like tail
From: rander3...@gmail.com (RichA)
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by: RichA - Wed, 13 Oct 2021 01:36 UTC

On Tuesday, 12 October 2021 at 21:20:34 UTC-4, RichA wrote:
> Interesting article in "Astronomy" magazine, showing a sodium tail coming off Mercury. Apparently, a specific yellow filter would be needed to photograph/see it. I've never heard of this before.

Ack! Sorry, I put Mars and it's Mercury.

Re: Mars....has a comet-like tail

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Subject: Re: Mars....has a comet-like tail
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by: StarDust - Wed, 13 Oct 2021 10:09 UTC

On Tuesday, October 12, 2021 at 6:36:43 PM UTC-7, RichA wrote:
> On Tuesday, 12 October 2021 at 21:20:34 UTC-4, RichA wrote:
> > Interesting article in "Astronomy" magazine, showing a sodium tail coming off Mercury. Apparently, a specific yellow filter would be needed to photograph/see it. I've never heard of this before.
>
> Ack! Sorry, I put Mars and it's Mercury.

Maybe mercury is gassing out something?
Farting?
😎

Re: Mars....has a comet-like tail

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Subject: Re: Mars....has a comet-like tail
From: jsav...@ecn.ab.ca (Quadibloc)
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by: Quadibloc - Wed, 13 Oct 2021 22:01 UTC

On Tuesday, October 12, 2021 at 7:36:43 PM UTC-6, RichA wrote:

> Ack! Sorry, I put Mars and it's Mercury.

Ah. Okay. Mercury I could believe; after all, it's very close to the Sun,
and thus very hot, so it could have unusual volatiles.

John Savard

Re: Mars....has a comet-like tail

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Subject: Re: Mars....has a comet-like tail
From: rander3...@gmail.com (RichA)
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by: RichA - Thu, 14 Oct 2021 23:58 UTC

On Wednesday, 13 October 2021 at 18:01:49 UTC-4, Quadibloc wrote:
> On Tuesday, October 12, 2021 at 7:36:43 PM UTC-6, RichA wrote:
>
> > Ack! Sorry, I put Mars and it's Mercury.
> Ah. Okay. Mercury I could believe; after all, it's very close to the Sun,
> and thus very hot, so it could have unusual volatiles.
>
> John Savard

It's got an atmosphere, a thin one as well.

Re: Mars....has a comet-like tail

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From: clp...@alumni.caltech.edu (Chris L Peterson)
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Subject: Re: Mars....has a comet-like tail
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by: Chris L Peterson - Fri, 15 Oct 2021 04:40 UTC

On Tue, 12 Oct 2021 18:20:32 -0700 (PDT), RichA <rander3128@gmail.com>
wrote:

>Interesting article in "Astronomy" magazine, showing a sodium tail coming off Mercury. Apparently, a specific yellow filter would be needed to photograph/see it. I've never heard of this before.

I seem to recall the first amateur images of this 10 or 15 years ago.

Subject	Author
Mars....has a comet-like tail	RichA
Re: Mars....has a comet-like tail	RichA
Re: Mars....has a comet-like tail	StarDust
Re: Mars....has a comet-like tail	Quadibloc
Re: Mars....has a comet-like tail	RichA
Re: Mars....has a comet-like tail	Chris L Peterson