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| Yousuf Khan... |
 Posted: Thu Oct 15, 2009 2:48 pm |
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| Yousuf Khan... |
| Posted: Thu Oct 15, 2009 7:05 pm |
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Yousuf Khan wrote:
[quote:d19191be74]Tom’s Astronomy Blog » Blog Archive » IBEX Data May Show New View of our
Galaxy
http://tomsastroblog.com/?p=4310&cpage=1#comment-153795
[/quote:d19191be74]
The Edge of the Solar System Is Not What We Expected | Wired Science |
Wired.com
"The edge of the solar system is tied up with a ribbon, astronomers have
discovered. The first global map of the solar system reveals that its
edge is nothing like what had been predicted. Neutral atoms, which are
the only way to image the fringes of the solar system, are densely
packed into a narrow ribbon rather than evenly distributed.
sciencenews“Our maps show structure and energy spectra that are
completely different from what any model has predicted,” says study
coauthor Herbert Funsten of the Los Alamos National Laboratory in New
Mexico."
http://www.wired.com/wiredscience/2009/10/ibex/ |
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| N:dlzc D:aol T:com (dlzc)... |
| Posted: Thu Oct 15, 2009 7:54 pm |
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Dear Yousuf Khan:
"Yousuf Khan" <bbbl67 at (no spam) spammenot.yahoo.com> wrote in message
news:4ad7c6d9$1 at (no spam) news.bnb-lp.com...
[quote:aabb46ec6d]Yousuf Khan wrote:
Tom’s Astronomy Blog » Blog Archive » IBEX
Data May Show New View of our Galaxy
http://tomsastroblog.com/?p=4310&cpage=1#comment-153795
The Edge of the Solar System Is Not What We
Expected | Wired Science | Wired.com
"The edge of the solar system is tied up with a
ribbon, astronomers have discovered. The first
global map of the solar system reveals that its edge is nothing
like what had been predicted.
Neutral atoms, which are the only way to image
the fringes of the solar system, are densely packed into a
narrow ribbon rather than evenly
distributed.
[/quote:aabb46ec6d]
Which means mass is "plane polarized" in the region explored.
That is the vicinity of Earth.
[quote:aabb46ec6d]“Our maps show structure and energy spectra
that are completely different from what any
model has predicted,” says study coauthor
Herbert Funsten of the Los Alamos National
Laboratory in New Mexico."
http://www.wired.com/wiredscience/2009/10/ibex/
[/quote:aabb46ec6d]
Yea, these things were *booking*. If they were neutral at the
time of detection, how the hell fast were they moving before they
caught outbound electrons?
David A. Smith |
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| Yousuf Khan... |
| Posted: Fri Oct 16, 2009 1:26 am |
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N:dlzc D:aol T:com (dlzc) wrote:
[quote:bc7f26d69a]“Our maps show structure and energy spectra
that are completely different from what any
model has predicted,” says study coauthor
Herbert Funsten of the Los Alamos National
Laboratory in New Mexico."
http://www.wired.com/wiredscience/2009/10/ibex/
Yea, these things were *booking*. If they were neutral at the
time of detection, how the hell fast were they moving before they
caught outbound electrons?
David A. Smith
[/quote:bc7f26d69a]
It was my understanding from the article that they caught their
electrons in the vicinity of "The Ribbon". How they got back to Earth as
neutral atoms, I don't have a clue. Don't you need the charge of a
magnetic field to get back this way, this fast?
Yousuf Khan |
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| dlzc... |
| Posted: Fri Oct 16, 2009 4:05 am |
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Dear Yousuf Khan:
On Oct 16, 12:26 am, Yousuf Khan <bbb... at (no spam) spammenot.yahoo.com> wrote:
[quote:9f180b0242]N:dlzc D:aol T:com (dlzc) wrote:
“Our maps show structure and energy spectra
that are completely different from what any
model has predicted,” says study coauthor
Herbert Funsten of the Los Alamos National
Laboratory in New Mexico."
http://www.wired.com/wiredscience/2009/10/ibex/
Yea, these things were *booking*. If they were
neutral at the time of detection, how the hell fast
were they moving before they caught outbound
electrons?
It was my understanding from the article that they
caught their electrons in the vicinity of
"The Ribbon".
[/quote:9f180b0242]
Unless they were already neutral and travelling at that speed, having
been made / neutralized closer to the galactic center...
[quote:9f180b0242]How they got back to Earth as neutral atoms, I
don't have a clue.
[/quote:9f180b0242]
Interactions are rare, if you don't have a net charge. Most neutral
atoms larger than hydrogen can "repel" charged boarders to some
extent.
[quote:9f180b0242]Don't you need the charge of a magnetic field
to get back this way, this fast?
[/quote:9f180b0242]
Nah, not for a neutral atom. Some will probably have collisions on
the way in-system, and end up with different momenta, which could be a
component of the background, "off-String".
David A. Smith |
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| Steve Willner... |
| Posted: Fri Oct 16, 2009 11:33 am |
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Guest
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In article <4ad7c6d9$1 at (no spam) news.bnb-lp.com>,
Yousuf Khan <bbbl67 at (no spam) spammenot.yahoo.com> writes:
[quote:47aaf5e7a6]http://tomsastroblog.com/?p=4310&cpage=1#comment-153795
[/quote:47aaf5e7a6]
Better information -- as usual -- at the original source:
http://www.nasa.gov/mission_pages/ibex/allsky_map.html
The results are published in _Science_, but I haven't read the papers
yet. The high-speed atoms are created in the interstellar boundary
region, but I don't know how.
OK... I checked the news summary in _Science_. There are five
papers, not just one. Apparently the atoms are hydrogen, and they
started out as incoming cosmic ray protons but picked up an electron
as they crossed the interstellar boundary region. The mystery is
why this charge exchange occurs in a "ribbon" rather than in a sphere
or teardrop shape. As I say, I haven't read the actual papers so am
quite likely missing something or may have misunderstood entirely.
--
Help keep our newsgroup healthy; please don't feed the trolls.
Steve Willner Phone 617-495-7123 swillner at (no spam) cfa.harvard.edu
Cambridge, MA 02138 USA |
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| dlzc... |
| Posted: Fri Oct 16, 2009 12:28 pm |
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On Oct 16, 2:33 pm, will... at (no spam) cfa.harvard.edu (Steve Willner) wrote:
[quote:63864c429a]In article <4ad7c6d... at (no spam) news.bnb-lp.com>,
Yousuf Khan <bbb... at (no spam) spammenot.yahoo.com> writes:
http://tomsastroblog.com/?p=4310&cpage=1#comment-153795
Better information -- as usual -- at the original source:http://www.nasa.gov/mission_pages/ibex/allsky_map.html
The results are published in _Science_, but I haven't
read the papers yet. The high-speed atoms are created
in the interstellar boundary region, but I don't know how.
OK... I checked the news summary in _Science_.
There are five papers, not just one. Apparently the
atoms are hydrogen, and they started out as incoming
cosmic ray protons but picked up an electron
as they crossed the interstellar boundary region. The
mystery is why this charge exchange occurs in a
"ribbon" rather than in a sphere or teardrop shape.
As I say, I haven't read the actual papers so am
quite likely missing something or may have
misunderstood entirely.
[/quote:63864c429a]
No you got it. They had a bit on it on NPR at noon today.
The "ribbon" corresponds to a "pinch point" where the galactic
magnetic field impinges or "presses" on the heliosheath.
Could be charged stuff surfing along field lines...
David A. Smith |
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| dlzc... |
| Posted: Fri Oct 16, 2009 8:17 pm |
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On Oct 16, 3:28 pm, dlzc <dl... at (no spam) cox.net> wrote:
[quote:0fb8e536db]On Oct 16, 2:33 pm, will... at (no spam) cfa.harvard.edu (Steve Willner) wrote:
In article <4ad7c6d... at (no spam) news.bnb-lp.com>,
Yousuf Khan <bbb... at (no spam) spammenot.yahoo.com> writes:
http://tomsastroblog.com/?p=4310&cpage=1#comment-153795
Better information -- as usual -- at the original source:
http://www.nasa.gov/mission_pages/ibex/allsky_map.html
The results are published in _Science_, but I haven't
read the papers yet. The high-speed atoms are created
in the interstellar boundary region, but I don't know how.
OK... I checked the news summary in _Science_.
There are five papers, not just one. Apparently the
atoms are hydrogen, and they started out as incoming
cosmic ray protons but picked up an electron
as they crossed the interstellar boundary region. The
mystery is why this charge exchange occurs in a
"ribbon" rather than in a sphere or teardrop shape.
As I say, I haven't read the actual papers so am
quite likely missing something or may have
misunderstood entirely.
No you got it. They had a bit on it on NPR at noon today.
[/quote:0fb8e536db]
Brain turns on and I provide a link...
http://www.npr.org/templates/story/story.php?storyId=113870291
Sorry...
David A. Smith |
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