
Pulsar Tests GravityBecause of their extremely high densities, massive neutron stars can be used to test gravity. Based on spectroscopy of its white dwarf companion,Antoniadiset al.(p.448) identified a millisecond pulsar as a neutron star twice as heavy as the Sun. The observed binary's orbital decay is consistent with that predicted by general relativity, ruling out previously untested strong-field phenomena predicted by alternative theories. The binary system has a peculiar combination of properties and poses a challenge to our understanding of stellar evolution.
High Energy Astrophysical Phenomena (astro-ph.HE), Multidisciplinary, Gravitational Radiation, FOS: Physical sciences, Neutron Stars, General Relativity and Quantum Cosmology (gr-qc), Tests of General relativity, 530, 520, Stellar evolution, General Relativity and Quantum Cosmology, General relativity, Astrophysics - Solar and Stellar Astrophysics, Quantum Gases (cond-mat.quant-gas), Astrophysics - High Energy Astrophysical Phenomena, Condensed Matter - Quantum Gases, Pulsars, Solar and Stellar Astrophysics (astro-ph.SR)
High Energy Astrophysical Phenomena (astro-ph.HE), Multidisciplinary, Gravitational Radiation, FOS: Physical sciences, Neutron Stars, General Relativity and Quantum Cosmology (gr-qc), Tests of General relativity, 530, 520, Stellar evolution, General Relativity and Quantum Cosmology, General relativity, Astrophysics - Solar and Stellar Astrophysics, Quantum Gases (cond-mat.quant-gas), Astrophysics - High Energy Astrophysical Phenomena, Condensed Matter - Quantum Gases, Pulsars, Solar and Stellar Astrophysics (astro-ph.SR)
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 3K | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 0.01% | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 0.1% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 0.01% |
