Abstract
A tired light/contracting universe (TLCU) model is shown to be an excellent fit to the redshift/distance modulus data for the 580 supernovae 1a in the Union2.1 compilation. The data reveal that the Milky Way is in a static region with a radius of about 450 Mpc. Beyond the static region the universe is contracting with a space velocity which is linearly proportional to distance over the whole range of the data (K=−7.6±2.3km⋅s−1⋅Mpc−1). The other constant of the model is the Hubble constant for which a value of H=69.51±0.86 km⋅s−1⋅Mpc−1 is obtained. The fit of the TLCU model to the Union2.1 data is at least as good as the fit of the two constant ΛCDM model to the same data. A formula for photon travel distance is derived and an experiment for the possible detection of the tired light process is proposed.
Highlights
A tired light/contracting universe (TLCU) model is shown to be an excellent fit to the redshift/distance modulus data for the 580 supernovae 1a in the Union2.1 compilation
Beyond the static region the universe is contracting with a space velocity which is linearly proportional to distance over the whole range of the data ( k =−7.6 ± 2.3 km ⋅ s−1 ⋅ Mpc−1 )
Theory [1] predicts that the universe is either expanding or contracting with a space velocity which is linearly proportional to distance
Summary
Theory [1] predicts that the universe is either expanding or contracting with a space velocity which is linearly proportional to distance. Observations of supernovae 1a show that at higher redshifts [3], [4] the distances measured are greater than expected by the expanding universe theory and this is interpreted as an accelerating expansion for which a new force called “dark energy” is proposed. The viewpoint on the supernovae 1a observations from the tired light theory is that for a given distance the observed redshift is less than expected as a result of the blueshift of a contracting universe. It is suggested that the new physics required by the supernovae 1a observations may possibly be the old idea of tired light instead of the new idea of dark energy. A tired light/contracting universe (TLCU) model is developed here using the Union2.1 supernovae 1a data [6] and compared to the ΛCDM model. A possible mechanism for the tired light effect is discussed and an experiment to test this mechanism is proposed
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