Comet ISON arises like Phoenix from the dead - now what for Xmas?

Dec 1, 2013 | Posted by: roboblogger | Full story: Examiner.com

On U.S. Thanksgiving Day, Comet ISON survived perihelion - its closest approach to the sun.

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1 - 5 of 5 Comments Last updated Dec 9, 2013

“Geologist [I'm Climate Change]”

Since: Mar 07

Nuneaton

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#1
Dec 2, 2013
 
Nice image files.

Shows a very small depleting comet produce a wide fan shaped tail @ close approach before disappearing back out on the high ellipticity return trajectory. Its behaviour is best explained by it having gone round the block at least once before. The result is that it evaporated the condensed frost on the surface of the clay ball on the way in & is now evaporating the remaining clay during its time being flash fried.

The story also appears to have brought loads of loonies out of the woodwork,(nowt new for comets through the centuries I suppose, but not a patch on the hale bopp castrato affair).

As Ison has not broken up or shattered it is likely to diminish in brightness as it moves away as it had lost practically all of its volatiles from the nucleus prior to arrival. Run the orbit as a closed ellipse,(it is NOT a parabola).

It may still be part of the infamous "sungrazer" comet family consisting of a number of sungrazing comets that arrives on the same general trajectory over the last couple of centuries or so. In this case it would have been part of the outer crust of the original before its spectacular breakup to produce the "family" now seen on the return pass. Would have liked to have seen the original during the breakup (that would have been something to see), to produce a family, the breakup & drift would have occurred during the outswing after perihelion.

Next on the "ask" rota is an ison sized (or bigger) comet on collision course with the sun. lots of small ones seen via the solar observatory sats.

Have a nice day: Ag
Aurora

Sebastopol, CA

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#2
Dec 2, 2013
 

Judged:

1

Put on your black sneakers and white smocks ... go to your bunk bed and poison yourself so you'll get beamed up on Christmas eve.

“Geologist [I'm Climate Change]”

Since: Mar 07

Nuneaton

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#3
Dec 4, 2013
 
Aurora wrote:
Put on your black sneakers and white smocks ... go to your bunk bed and poison yourself so you'll get beamed up on Christmas eve.
No thanks. I will leave that one to the Blairites, they seem to be more gullible.

Have a nice day: Ag

Since: Nov 13

Chandigarh, India

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#4
Dec 4, 2013
 
very nice post sir!!
ISON is made with ice and dust that are loosely packed. This Coment is smaller than other once,it surface the sun within a million miles. i don't understand that how it accepted the hot sun.

“Geologist [I'm Climate Change]”

Since: Mar 07

Nuneaton

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#5
Dec 9, 2013
 
surender67 wrote:
very nice post sir!!
ISON is made with ice and dust that are loosely packed. This Coment is smaller than other once,it surface the sun within a million miles. i don't understand that how it accepted the hot sun.
Simple thinking really.

(karate kid mode...{ Ison...Ice off...}

will take a while to get a new frost pack & will be a mite smaller on the next pass.

Have a nice day: Ag

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