3 papers
astro-ph.CO2026
Large-scale peculiar velocities in the universe
Christos G. Tsagas, Leandros Perivolaropoulos, Kerkyra Asvesta
Observations have repeatedly confirmed the presence of large-scale peculiar motions in the universe, commonly referred to as ``bulk flows''. These are vast regions of the observabl…
gr-qc2025
General relativity and the bulk-flow puzzle
Christos G. Tsagas
Bulk peculiar flows are commonplace in the universe, with many surveys reporting their presence on scales spanning between few hundred and several hundred Mpc. However, the sizes a…
gr-qc2025
Cosmic deceptions due to peculiar motions
Christos G. Tsagas
Relative motions have long been known to mislead the unsuspecting observers to false interpretations of reality. The deceptions are usually brief and unimportant, though relative m…