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asteroid hits sun



 
 
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  #1  
Old June 17th 09, 06:29 PM posted to sci.astro
Hero
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Posts: 17
Default asteroid hits sun

Was there ever an observation of an asteroid-impact into the sun?

What's the minimum size of an asteroid for an impact (smaller ones
break up or melt) into the sun?

Are sunspots related to impacts in any way?

With friendly greetings
Hero
  #2  
Old June 17th 09, 06:56 PM posted to sci.astro
Yousuf Khan
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Posts: 594
Default asteroid hits sun

Hero wrote:
Was there ever an observation of an asteroid-impact into the sun?


QuickTime Animation of Two Comets Hitting Sun
http://www.grandunification.com/hype...arImpacts.html

What's the minimum size of an asteroid for an impact (smaller ones
break up or melt) into the sun?


I doubt there's anything smaller than a planet that can survive plunging
into the solar atmosphere for more than a few seconds.

Are sunspots related to impacts in any way?



No.

Yousuf Khan
  #3  
Old June 17th 09, 07:41 PM posted to sci.astro
Androcles[_8_]
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Posts: 1,135
Default asteroid hits sun


"Hero" wrote in message
...
Was there ever an observation of an asteroid-impact into the sun?

What's the minimum size of an asteroid for an impact (smaller ones
break up or melt) into the sun?

Are sunspots related to impacts in any way?

With friendly greetings
Hero


The term "asteroid" really belongs to the class of bodies in orbit
around the Sun between the orbits of Mars and Jupiter. Anything
else would be a meteor (excluding comets, moons, planets etc.)
but to answer your question, yes, lots of objects fall into the Sun
as Soho shows.
http://sohowww.nascom.nasa.gov/galle...es/comets.html




  #4  
Old June 18th 09, 07:48 PM posted to sci.astro
Hero
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Posts: 17
Default asteroid hits sun

Hero asked:

Was there ever an observation of an asteroid-impact into the sun?


...
and Yousuf and Androcles both answered and provided links to
films of such impacts.

Both of You, thanks.

With friendly greetings
Hero
  #5  
Old June 18th 09, 08:35 PM posted to sci.astro
Androcles[_8_]
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Posts: 1,135
Default asteroid hits sun


"Hero" wrote in message
...
Hero asked:

Was there ever an observation of an asteroid-impact into the sun?


..
and Yousuf and Androcles both answered and provided links to
films of such impacts.

Both of You, thanks.

With friendly greetings
Hero


You are welcome.
Incidentally, this is the size of Mercury compared to some sunspots:
http://tinyurl.com/npynu4
http://thebigfoto.com/wp-content/upl...ry-transit.jpg
http://en.wikipedia.org/wiki/Transit_of_Mercury

What would happen if two stars collided?
http://apod.nasa.gov/apod/image/0203/sn1987a_hst.jpg

I'd suggest the dual nature of the rings is the result of a collision
of two stars rather than a single star exploding spontaneously.
It's not an event that happens often, but there are so many stars
it would be strange indeed if it never happened at all.

http://www.youtube.com/watch?v=fgg2tpUVbXQ



  #6  
Old June 18th 09, 10:00 PM posted to sci.astro
[email protected]
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Posts: 326
Default asteroid hits sun

Hero writes:

Are sunspots related to impacts in any way?


Think about that for a momemnt. Sunspot numbers are cyclical over an
approximately 11 year period. How could impacts behave in such a way?
Sunspot magnetic polarities reverse every 11 years, creating a 22 year
solar cycle. How could impacts cause such behavior? Sunspot latitudes
start high and migrate toward lower latitudes over the course of a
solar cycle. How could impact locations behave in such a way?

If you're starting to think that they can't be related, you're
starting to think the right way.

  #7  
Old June 18th 09, 10:06 PM posted to sci.astro
[email protected]
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Posts: 326
Default asteroid hits sun

Androcles writes:

Incidentally, this is the size of Mercury compared to some sunspots:


The size of the blemishes on Jupiter following the impact of the
fragments of Shoemaker-Levy 9 were much, much larger than the
fragments themselves, so I wouldn't try to use the size
differential as evidence for sunspots being unrelated to impacts.

  #8  
Old June 18th 09, 11:00 PM posted to sci.astro
Yousuf Khan
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Posts: 594
Default asteroid hits sun

Androcles wrote:
What would happen if two stars collided?
http://apod.nasa.gov/apod/image/0203/sn1987a_hst.jpg

I'd suggest the dual nature of the rings is the result of a collision
of two stars rather than a single star exploding spontaneously.
It's not an event that happens often, but there are so many stars
it would be strange indeed if it never happened at all.


Wait a minute, this is a picture of SN 1987A, one of the most famous
supernovas in history. It's definitely a supernova.

Besides two stars merging would be basically like a two blobs of oil
merging in a lava lamp. It'll create a bigger blob, but it won't explode.

Yousuf Khan
  #9  
Old June 18th 09, 11:01 PM posted to sci.astro
Yousuf Khan
external usenet poster
 
Posts: 594
Default asteroid hits sun

Hero wrote:
Both of You, thanks.



You're welcome.

Yousuf Khan
  #10  
Old June 19th 09, 12:39 AM posted to sci.astro
Androcles[_8_]
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Posts: 1,135
Default asteroid hits sun


wrote in message ...
Androcles writes:

Incidentally, this is the size of Mercury compared to some sunspots:



Oh dear, even the URL to the image has been snipped.
Only one thing to do with the ****witted spamming antispam ham...
Snip the stupid ******* in return and restore the original.


"Hero" wrote in message
...
Hero asked:

Was there ever an observation of an asteroid-impact into the sun?


..
and Yousuf and Androcles both answered and provided links to
films of such impacts.

Both of You, thanks.

With friendly greetings
Hero


You are welcome.
Incidentally, this is the size of Mercury compared to some sunspots:
http://tinyurl.com/npynu4
http://thebigfoto.com/wp-content/upl...ry-transit.jpg
http://en.wikipedia.org/wiki/Transit_of_Mercury

What would happen if two stars collided?
http://apod.nasa.gov/apod/image/0203/sn1987a_hst.jpg

I'd suggest the dual nature of the rings is the result of a collision
of two stars rather than a single star exploding spontaneously.
It's not an event that happens often, but there are so many stars
it would be strange indeed if it never happened at all.

http://www.youtube.com/watch?v=fgg2tpUVbXQ

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