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astro-ph.GA2026
CosmoVerse Data Challenge: How Tip of the Red Giant Branch Analysis Choices Shape the Inferred Hubble Constant
Siyang Li, Eleonora Di Valentino, Jackson Levi Said +62
Tip of the red giant branch (TRGB)-based determinations of the Hubble constant (), the current expansion rate of the Universe, depend on choices made in selecting and analyzin…
gr-qc2026
A way to constrain a graviton mass from astronomical observations
Alexander F. Zakharov, Predrag Jovanovic, Dusko Borka +1
Along with a whole range of alternative theories of gravity, variants of the massive theory of gravity, i.e. the theory of gravity, in which the graviton has mass, have been active…