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Science Forum Index » Astro Forum » Just Imagine
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| John Schutkeker |
 Posted: Tue Feb 06, 2007 9:42 pm |
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If the "guest star," the 1054 supernova, was bright enough to be seen
during the day, imagine how bright it must have been at night. It may have
been nearly as bright as the moon. Imagine how bright must have been those
few nights when both the guest star *and* the full moon were shining. |
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| Androcles |
| Posted: Wed Feb 07, 2007 3:28 am |
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"John Schutkeker" <jschutkeker@sbcglobal.net.nospam> wrote in message news:Xns98CFD2BF25D70lkajehoriuasldfjknak@207.115.17.102...
Quote:
If the "guest star," the 1054 supernova, was bright enough to be seen
during the day, imagine how bright it must have been at night. It may have
been nearly as bright as the moon. Imagine how bright must have been those
few nights when both the guest star *and* the full moon were shining.
In a world without TV, lit only by candles and wood-fires, imagine
how bright all the stars must have been at night... |
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| John Schutkeker |
| Posted: Wed Feb 07, 2007 11:35 am |
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"Androcles" <Engineer@hogwarts.physics.co.uk> wrote in
news:ccfyh.232321$QY6.219519@fe1.news.blueyonder.co.uk:
Quote:
"John Schutkeker" <jschutkeker@sbcglobal.net.nospam> wrote in message
news:Xns98CFD2BF25D70lkajehoriuasldfjknak@207.115.17.102...
If the "guest star," the 1054 supernova, was bright enough to be seen
during the day, imagine how bright it must have been at night. It
may
have
been nearly as bright as the moon. Imagine how bright must have been
those
few nights when both the guest star *and* the full moon were shining.
In a world without TV, lit only by candles and wood-fires, imagine
how bright all the stars must have been at night...
Indeed, everybody could see the Milky Way everywhere, unless the full
moon and a guest star were up. |
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| Androcles |
| Posted: Wed Feb 07, 2007 12:27 pm |
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"John Schutkeker" <jschutkeker@sbcglobal.net.nospam> wrote in message news:Xns98D06BD4B56E2lkajehoriuasldfjknak@207.115.17.102...
Quote: "Androcles" <Engineer@hogwarts.physics.co.uk> wrote in
news:ccfyh.232321$QY6.219519@fe1.news.blueyonder.co.uk:
"John Schutkeker" <jschutkeker@sbcglobal.net.nospam> wrote in message
news:Xns98CFD2BF25D70lkajehoriuasldfjknak@207.115.17.102...
If the "guest star," the 1054 supernova, was bright enough to be seen
during the day, imagine how bright it must have been at night. It
may
have
been nearly as bright as the moon. Imagine how bright must have been
those
few nights when both the guest star *and* the full moon were shining.
In a world without TV, lit only by candles and wood-fires, imagine
how bright all the stars must have been at night...
Indeed, everybody could see the Milky Way everywhere, unless the full
moon and a guest star were up.
Seeing from Britain is very different to seeing from a yacht in the tropics.
Not only is there more light pollution, there is more moisture in the
atmosphere most of the time. I recall being on a mountain in Wales
as a child and being able to see my way by starlight alone on one
cold and crisp night, but usually light is reflected from cloud and the
eye never fully adapts to darkness.
My great aunt lived in a 500-year old cottage, miles from anywhere
with only sheep for company. |
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| John Schutkeker |
| Posted: Thu Feb 08, 2007 1:23 pm |
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Saul Levy <saullevy1@cox.net> wrote in
news:hfdks2lu7j0cvnb91spv0htg0f5l5eoucv@4ax.com:
Quote: That's nice, John!
Saul Levy
Well thank you. That was just a daydream, but I have noticed that the
full moon casts a weak shadow. Imagine how much darker that shadow must
have been when there were two bright objects in the night sky.
Quote: On Wed, 07 Feb 2007 01:42:57 GMT, John Schutkeker
jschutkeker@sbcglobal.net.nospam> wrote:
If the "guest star," the 1054 supernova, was bright enough to be seen
during the day, imagine how bright it must have been at night. It may
have been nearly as bright as the moon. Imagine how bright must have
been those few nights when both the guest star *and* the full moon
were shining. |
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