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...

I would appreciate it if someone who has published something in the European Physical Journal H via LaTeX could contact me via email.

Hi I have posted several times here about a "sea" of galaxies just beyond the limit of our telescopes. Two new obsevations start confirming the existence of...

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...

In a paper in the Astrophysical Journal, (The Astrophysical Journal, 904:51 (20pp), 2020 November 20) several researches cnfirm MOND's prediction of 1984:...

The 13th International LISA Symposium is happening online today (2020-Sept-01), tomorrow (2020-Sept-02), and thursday...

The Million Quasars (Milliquas) catalogue v6.6 is released with data from publications to 30-August-2020, with the count of fully classified type-I quasars &...

Some may be interested in a Jul 9 online talk "Relieving the Hubble tension with primordial magnetic fields" by Levon Pogosian. Details are at...

The LIGO/Virgo collaboration has just announced their detection of a gravitational-wave signal, GW190814 (observed on 2019 August 14), interpreted as the...

Monthly Notices of the Royal Astronomical Society has charged authors nothing; costs are covered (and more, as the commercial publisher makes a profit and also...

Please give comments OJ 287 binary black hole system articles of proper time general relativity analytic solution. Weinberg S. 1972 Gravitation and Cosmology...

Accordingly to this article: https://medium.com/the-cosmic-companion/is-the-universe-younger-than-we-thought-e8a649a32ec8 "Is the Universe Younger than We...

When it's complete, a new infrared telescope in Australia will give astronomers an unprecedented glimpse of the universe. The Dynamic Red All-Sky Monitoring...

Some journals require upright Greek letters for constants as opposed to variables, for example $\upi$ when used to denote 3.14159... as opposed to a variable...

When discussing Friedmann models, the usual approach is to start with the Friedmann equation then express dr/dt as a function of R, Omega, lambda, and so on,...

They do have a rather strange numbering scheme. There are 12 "issues" per year, and the volume number is the same as the year number, and really is 4...

On an old LaTeX installation, things work fine, with one bug I can correct: the URL gets broken by a % (i.e. to make LaTeX ignore the line break) if it is a...

In a number of documentaries i've watched over the years when discussing the fate of the inner terrestrial-planets when the Sun enters its' red-giant phase it...

A new paper accepted by ApJL, arXiv:2001.04471 "Nonstationarity of AGN variability: The only way to go is down!" by Caplar et al, concludes that visible quasar...

Early-type Host Galaxies of Type Ia Supernovae. II. Evidence for Luminosity Evolution in Supernova Cosmology https://arxiv.org/abs/1912.04903 The authors...