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Science Forum Index » Astronomy Forum » Sirius scintillations in a winter's sky
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| Abdul Ahad |
 Posted: Tue Dec 16, 2003 9:36 am |
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When you see Sirius shining brilliantly in a cold winter's sky, like a
heavenly diamond suspended above a snow covered landscape and
scintillating through all the reds, greens and violets... its like the
magic of being in a dream world!!!
Think I was hallucinating just then! Has anyone come across an
animated GIF image on the internet which goes through all the colours,
typical of a scintillating star?
If not, has anyone thought about making such an image using
video/webcam feeds using a bright star like Sirius for a model?
I don't have the equipment to do this, but it would look an
absolute treat on an Astronomy web page.
Abdul Ahad
http://uk.geocities.com/aa_spaceagent/spaceprojects.html
"We have lingered long enough on the shores of the cosmic ocean. We
are at last ready to set sail for the stars" - Carl Sagan. |
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| Tuckfook |
| Posted: Fri Dec 19, 2003 7:56 am |
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Quote: When you see Sirius shining brilliantly in a cold winter's sky, like a
heavenly diamond suspended above a snow covered landscape and
scintillating through all the reds, greens and violets... its like the
magic of being in a dream world!!!
It's Christmas ---remember ? |
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| Kilolani |
| Posted: Fri Dec 19, 2003 3:26 pm |
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"Tuckfook" <'remove'ajang@tm.net.my> wrote in message
news:3fe2f564$1_2@news.tm.net.my...
Quote: When you see Sirius shining brilliantly in a cold winter's sky, like a
heavenly diamond suspended above a snow covered landscape and
scintillating through all the reds, greens and violets... its like the
magic of being in a dream world!!!
It's Christmas ---remember ?
And the sad part is that we call it the "dog" star. Not that I have anything
against dogs, mind you, but don't you think the "heavenly diamond" star
would be more appropriate? It appears that many cultures all over the world
have seen a "dog" in the stars of Canis Major. |
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| Odysseus |
| Posted: Fri Dec 19, 2003 3:35 pm |
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Painius wrote:
Quote:
"Kilolani" <stargazer@ATkilolaniDOT.net> wrote in message...
news:5aJEb.11050$0s2.5545@newsread2.news.pas.earthlink.net...
And the sad part is that we call it the "dog" star. Not that I have anything
against dogs, mind you, but don't you think the "heavenly diamond" star
would be more appropriate? It appears that many cultures all over the world
have seen a "dog" in the stars of Canis Major.
It's hard to change a name which originates i believe in
ancient Egypt. They named the star after their god Osiris,
i think.
No; they called the star _Sothis_ and identified it with the goddess
Isis. The constellation they associated most with Osiris was Orion.
--
Odysseus |
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| Painius |
| Posted: Sat Dec 20, 2003 12:43 pm |
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"Kilolani" <stargazer@ATkilolaniDOT.net> wrote in message...
news:5aJEb.11050$0s2.5545@newsread2.news.pas.earthlink.net...
Quote:
And the sad part is that we call it the "dog" star. Not that I have anything
against dogs, mind you, but don't you think the "heavenly diamond" star
would be more appropriate? It appears that many cultures all over the world
have seen a "dog" in the stars of Canis Major.
It's hard to change a name which originates i believe in
ancient Egypt. They named the star after their god Osiris,
i think.
Anyway, the Greeks came up with "Sirius," which means
"the Scorcher" because they felt that the shimmering star's
heat added to the Sun's heat during the "dog days of
Summer."
hth
happy days and...
starry starry nights!
--
Delight in yourself...
for you are the stuff of stars!
Paine Ellsworth |
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| Painius |
| Posted: Sat Dec 20, 2003 10:25 pm |
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"Odysseus" <odysseus1479-at@yahoo-dot.ca> wrote in message news:3FE36125.604F751D@yahoo-dot.ca...
Quote: Painius wrote:
"Kilolani" <stargazer@ATkilolaniDOT.net> wrote in message...
news:5aJEb.11050$0s2.5545@newsread2.news.pas.earthlink.net...
And the sad part is that we call it the "dog" star. Not that I have anything
against dogs, mind you, but don't you think the "heavenly diamond" star
would be more appropriate? It appears that many cultures all over the world
have seen a "dog" in the stars of Canis Major.
It's hard to change a name which originates i believe in
ancient Egypt. They named the star after their god Osiris,
i think.
No; they called the star _Sothis_ and identified it with the goddess
Isis. The constellation they associated most with Osiris was Orion.
--
Odysseus
Thanks, O... shouldn't have tried that one from memory.
Senility strikes every seven seconds, with or without
warning. <g>
--
happy days and...
starry starry nights!
Painius
http://painellsworth.net/ |
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| Bill Sheppard |
| Posted: Tue Dec 23, 2003 3:41 am |
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Quote: A dog is an unclean animal in many
cultures and Sirius is probably a "clean"
star, and its companion Sirius B.....so
let's keep them that way by giving them
clean names.
AA
A pig is generally an unclean animal in those cultures, too. Such
cultures are still rooted in 11th century religious fundamentalism,
having yet to experience a reformation or renaissance as most Western
cultures have already done.
My dog is a _very_ clean animal, thank you. ARF ARF !! oc |
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| Abdul Ahad |
| Posted: Tue Dec 23, 2003 8:01 am |
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....And the sad part is that we call it the "dog" star...
I wouldn't call it that. A dog is an unclean animal in many cultures
and Sirius is probably a "clean" star, its surface colour and light
output we expect to be pure white for starters and its binary
companion - Sirius B - is also known to be a white dwarf. I've also
heard people call Procyon another 'dog star'. Again this is another
"clean" star. All heavenly objects are "clean" to begin with, so let's
keep them that way by giving them clean names.
AA
http://uk.geocities.com/aa_spaceagent/spaceprojects.html |
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| Starlord |
| Posted: Tue Dec 23, 2003 11:08 am |
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It's called that for two resons, 1st is because it's part of the const. canis,
the other is because it's in the sky during the Dog Days of Summer.
--
"In this universe the night was falling,the shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the stars were still young and the light of morning
lingered: and along the path he once had followed, man would one day go
again."
Arthur C. Clarke, The City & The Stars
SIAR
www.starlords.org
Freelance Writers Shop
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"Abdul Ahad" <aa_spaceagent@yahoo.co.uk> wrote in message
news:3416b228.0312230501.6f7db587@posting.google.com...
Quote: ...And the sad part is that we call it the "dog" star...
I wouldn't call it that. A dog is an unclean animal in many cultures
and Sirius is probably a "clean" star, its surface colour and light
output we expect to be pure white for starters and its binary
companion - Sirius B - is also known to be a white dwarf. I've also
heard people call Procyon another 'dog star'. Again this is another
"clean" star. All heavenly objects are "clean" to begin with, so let's
keep them that way by giving them clean names.
AA
http://uk.geocities.com/aa_spaceagent/spaceprojects.html
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| Odysseus |
| Posted: Tue Dec 23, 2003 12:29 pm |
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Starlord wrote:
Quote:
It's called that for two resons, 1st is because it's part of the const. canis,
the other is because it's in the sky during the Dog Days of Summer.
That's only one reason, really: the "dog days" are named after the
constellation, so citing that expression as the origin for the star's
name is essentially begging the question.
--
Odysseus |
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