Time passes, and now we improve our view. There are 10 times more galaxies in the observable universe as we thought, says now the Hubble team. We are...

Hello, Are there any (respected) journals that accept conceptual / qualitative papers in physics / astrophysics? If I can present qualitative evidence for a...

Hello, I find a lot of papers dealing with black hole growth rate due to accretion. But haven't been able to find anything on growth due to photon...

How many stars are there per Gpc^3 Co Moving Volume of the Universe? I entered numbers into Ned Wright's calculator to find Co Moving volumes (and radii) for...

In article , writes: Question, if I look toward the center of the galaxy, in...

The french astronomy magazine "Ciel et espace" has published a very interesting article about black holes and dark matter. They say that Simeon Bird and also...

On Monday, September 19, 2016 at 2:49:47 PM UTC-7, Thanks for direction. Stacy McGaugh directed me to some data bases with mass vs radius info for MW...

The Wikipedia page for MOND https://en.wikipedia.org/wiki/Modified_Newtonian_dynamics seems like a good introduction to the subject. In particular, it...

I thought I understood this but now question my understanding........... I don't know how to be explicit with this question in fewer words. Any hel= p in...

Hello, I'm wondering what the luminosity of the universe is, hoping it's not infinity! If anyone knows individual contributions, such as CBR, galaxies, SN's...

I am not looking for an exact answer for the following question, but rather for an approximate answer. Say you had 30 low-mass red dwarfs (unbiased sample)...

One hopes Dan Hooper will turn down the hype now. http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.051102 http://arxiv.org/abs/1506.05104 --...

On 01/06/2016 05:00, wrote: On Friday, May 27, 2016 at 1:15:25 PM UTC-4, Tom Roberts wrote: On 5/20/16 5/20/16 - 10:17 PM,...

101 years and still going strong. Sutter et al. look for violations of GR in cosmic voids. Result: None. Paper published in...

There is a very interesting new paper on the topics of PBHs and the DM. http://arxiv.org/abs/1607.06077 Title: Primordial Black Holes As Dark Matter AUs: B....

On Wednesday, June 1, 2016 at 12:00:54 AM UTC-4, wrote= ] I'm trying to account (in theory) for a source of evanescent waves (fringes)...

The Discovery That the Universe Is Expanding: Developments in Theoretical and Observational Cosmology, 1915-1930 Author: David Ford Date:...

On Tuesday, April 19, 2016 at 11:11:27 AM UTC-4, Steve Willner wrote: The advantage of the K2 observations is that observing the same event from Earth...

For the black hole information paradox I would expect two seemingly conflicting results (as is necessary for a paradox by definition,) e.g. like: 1) We know...

There is an interesting new paper posted to arxiv.org today that reviews various forms of evidence for large scale and coordinated directionality phenomena in...