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Insolation in galactic core by
Dirk Bruere at NeoPax
Earth receives an insolation of around 1300W per sq m.
What would the insolation in interstellar space be inside the galactic
core/hub?
--...
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5 |
1,983 |
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Star at 500 Myears after BB? by
jacob navia[_5_]
Yesterday morning, taking breakfast before taking my son to the school.
France Info, science section, Astrophysics. Marie Odile tells us that
the Swift...
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7 |
1,982 |
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20 |
1,975 |
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Moon tidal locking inevitable by now? by
Charles Packer
The moon's rotation on its axis has approximately the
same period as its revolution around the earth as a
result of tidal forces that locked this rate...
( 1 2)
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16 |
1,973 |
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LIGO sensitivity compared with the human eye by
Jos Bergervoet[_3_]
Recently in another newsgroup (nl.wetenschap) the question
came up of LIGO's sensitivity compared to the human eye.
a) LIGO can (easily) see a source at one...
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4 |
1,970 |
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Confused by DeSitter again! by
Chris Hillman
On Thu, 7 Aug 2003, Serenus Zeitblom wrote:
I think it is pretty well-known by now that DeSitter space can be
sliced in lots of different ways, eg by flat...
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5 |
1,968 |
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Galaxy Rotation vs Redshift by
Steve Willner
In article ,
(Charles R Kiss) writes:
I downloaded the rotation rates, optical radius, and...
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1 |
1,966 |
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0 |
1,964 |
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Filter Sets by
Jon Yardley
Hi, Could anyone help?
I need to know the WCL, FWHM and peak transmition of :
Deep sky H-Alpha filter
OIII
Infrared bands j, h, k and l
Any help would be...
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4 |
1,959 |
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11 |
1,959 |
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Type of Tau Ceti and Toliman by
Jos Bergervoet
Why is Tau Ceti a G-type star and Toliman (Alpha Cen B) a K-type?
In terms of mass, Tau Ceti is actually the lighter one (78% of the
Sun's mass vs. 90% for...
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1 |
1,955 |
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Galaxies without dark matter halos? by
Ralph Hartley
The probability of a hypothetical event (the Big Bang) can never be greater
than the probability of the most likely theory that supports the existence
of...
( 1 2)
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14 |
1,951 |
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How well do we know the value of G? by
Phillip Helbig
How well do we know the value of G?
G is the constant (well, as far as we know) of nature whose value is
known with the least precision. How well do we know...
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3 |
1,948 |
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Galaxies without dark matter halos? by
Dag Oestvang
wrote:
Rather than following Usenet convention and replying point by point
(which would make for a long and unwieldy post that...
( 1 2 3)
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22 |
1,943 |
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The river by
jacob navia[_5_]
We are in the middle of a river flowing at around 400 Km/sec in the
direction of Galactic l = 282 degree (+/- 11) and b = 6 degree (+/-...
( 1 2 3)
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24 |
1,935 |
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Astronomical by
Charles Francis
I am needing to obtain software, including source code, for the
derivation of the magnitude-redshift relation. Does anyone know where I
can get...
( 1 2 3)
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24 |
1,924 |
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FW: Simple Question by
Richard S. Sternberg
I think there are a significant number of potential answers to Olbers'
Paradox, but Geoff's Simple Question ignores them all in his legitimate
quest for...
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0 |
1,907 |
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How well do we know the value of G? by
jacobnavia
Le 10/03/2021 11:09, Phillip Helbig (undress to reply) a écrit :
How well do we know the value of G?
G is the constant (well, as far as we know) of...
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0 |
1,899 |
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Tales of Cataloguing II by
Eric Flesch
This is part 2 of anomalies I've encountered in cleaning QSO data.
99 44/100 % is fine. This is the story of the remaining 0.56%.
The task in producing...
( 1 2)
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10 |
1,897 |
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Cosmology by
AMMS716
Hello All,
Please reduce my level of ignorance. I am not a physicist, but I am a
mathematician. (number theorist). I can deal with tensors. And...
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0 |
1,894 |
