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41 |
2,732 |
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CfA Colloquia by
Steve Willner
Our weekly (during the academic year) colloquia are now available to
the public at
https://www.youtube.com/channel/UCApHNlZLkxmiV95A0ChueYg
This week's by...
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2 |
833 |
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3 |
862 |
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Big bang confirmed? by
jacob navia[_5_]
Much has been written about the "ripples in spacetime", etc. Big Bang
theorist are very happywith the new "confirmation" of gravitational
waves in the CMB...
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4 |
941 |
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6 |
1,080 |
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2 |
718 |
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0 |
725 |
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6 |
690 |
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3 |
810 |
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Cosmography of the local Universe by
Nicolaas Vroom
The video "Cosmography of the local Universe" gives a very impressive
view of the positions and peculiar velocities in the neighborhood
of the Milky way.
See...
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8 |
905 |
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Relativistic integration by
Frank Sorensen
Hi All,
I have written a program to integrate motion paths of charged
relativistic particles in a stationary electric field, and I have run
into a (rather...
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1 |
1,006 |
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Star 13.7 billion years old by
jacob navia[_5_]
Star SMSS J0313000.36-670839.3 observed by australian astronomer Stefan
Keller should be that old according to its iron content that is almost...
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February 16th 14 03:24 PM
by brad
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8 |
1,180 |
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13 |
1,304 |
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1 |
900 |
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28 |
1,796 |
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Masses of G and F Star Binaries by
Robert L. Oldershaw
A Tokovinin has posted arXiv:1401.6825v1 , "From Binaries To Multiples
I: Data On F and G Dwarfs Within 67 pc of the Sun.
Here is a link to the paper:...
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6 |
1,063 |
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smaller clumps of colder gas by
Richard D. Saam
A cosmic web filament revealed in Lyman-alpha
emission around a luminous high-redshift quasar
http://arxiv.org/abs/1401.4469
This work indicates unknown...
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2 |
1,071 |
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Southworth Det Eclips Binary Catalog by
Robert L. Oldershaw
I found a very good catalog of detached eclipsing binary stars with
mass determinations "accurate to 2%". It is an ongoing catalog with
new systems being added...
( 1 2 3 ... Last Page)
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61 |
4,503 |
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Neutron Star Inside Red Giant by
Robert L. Oldershaw
Now this is interesting!
http://www.nature.com/news/bizarre-star-could-host-a-neutron-star-in-its-core-1.14478
When Type-II SNae blow off their envelopes,...
( 1 2)
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10 |
1,529 |
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2 |
939 |