Search Results - "Nature Astronomy"
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Relativistic Shapiro Delay Measurements of an Extremely Massive Millisecond Pulsar
Published in Nature astronomy (01-01-2020)“…Despite its importance to our understanding of physics at supranuclear densities, the equation of state (EoS) of matter deep within neutron stars remains…”
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Spectroscopic confirmation of four metal-poor galaxies at z = 10.3–13.2
Published in Nature astronomy (01-05-2023)“…Finding and characterizing the first galaxies that illuminated the early universe at cosmic dawn is pivotal to understand the physical conditions and the…”
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Tensions between the early and late Universe
Published in Nature astronomy (01-10-2019)“…A Kavli Institute for Theoretical Physics workshop in July 2019 directed attention to the Hubble constant discrepancy. New results showed that it does not…”
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Stringent constraints on neutron-star radii from multimessenger observations and nuclear theory
Published in Nature astronomy (01-06-2020)“…The properties of neutron stars are determined by the nature of the matter that they contain. These properties can be constrained by measurements of the star’s…”
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Identification and properties of intense star-forming galaxies at redshifts z > 10
Published in Nature astronomy (01-05-2023)“…Surveys with the James Webb Space Telescope (JWST) have discovered candidate galaxies in the first 400 Myr of cosmic time. Preliminary indications have…”
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Microlensing constraints on primordial black holes with Subaru/HSC Andromeda observations
Published in Nature astronomy (01-06-2019)“…Primordial black holes (PBHs) have long been suggested as a viable candidate for the elusive dark matter. The abundance of such PBHs has been constrained using…”
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Two accreting protoplanets around the young star PDS 70
Published in Nature astronomy (01-08-2019)“…Newly forming protoplanets are expected to create cavities and substructures in young, gas-rich protoplanetary disks 1 – 3 , but they are difficult to detect…”
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HXMT identification of a non-thermal X-ray burst from SGR J1935+2154 and with FRB 200428
Published in Nature astronomy (01-04-2021)“…Fast radio bursts (FRBs) are short pulses observed in the radio band from cosmological distances 1 . One class of models invokes soft gamma-ray repeaters…”
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Stress testing ΛCDM with high-redshift galaxy candidates
Published in Nature astronomy (2023)“…Early data from the James Webb Space Telescope (JWST) have revealed a bevy of high-redshift galaxy candidates with unexpectedly high stellar masses. An…”
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On the detection of a cosmic dawn signal in the radio background
Published in Nature astronomy (28-02-2022)“…The astrophysics of the cosmic dawn, when star formation commenced in the first collapsed objects, is predicted to be revealed by spectral and spatial…”
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Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu
Published in Nature astronomy (01-02-2022)“…C-type asteroids 1 are considered to be primitive small Solar System bodies enriched in water and organics, providing clues to the origin and evolution of the…”
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Cosmological constraints from the Hubble diagram of quasars at high redshifts
Published in Nature astronomy (01-03-2019)“…The concordance model ( Λ cold dark matter ( Λ CDM) model, where Λ is the cosmological constant) reproduces the main current cosmological observations 1 – 4…”
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An Ice Age JWST inventory of dense molecular cloud ices
Published in Nature astronomy (01-04-2023)“…Icy grain mantles are the main reservoir of the volatile elements that link chemical processes in dark, interstellar clouds with the formation of planets and…”
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Hierarchical mergers of stellar-mass black holes and their gravitational-wave signatures
Published in Nature astronomy (01-08-2021)“…While most of the compact-binary mergers detected by LIGO and Virgo are expected to consist of first-generation black holes formed from the collapse of stars,…”
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Eccentricity estimate for black hole mergers with numerical relativity simulations
Published in Nature astronomy (01-03-2022)“…The origin of black hole mergers discovered by the LIGO 1 and Virgo 2 gravitational-wave observatories is currently unknown. GW190521 3 , 4 is the heaviest…”
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Baryonic solutions and challenges for cosmological models of dwarf galaxies
Published in Nature astronomy (01-08-2022)“…Galaxies and their dark-matter haloes have posed several challenges to the dark energy plus cold dark matter ( Λ CDM) cosmological model. These discrepancies…”
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A strangely light neutron star within a supernova remnant
Published in Nature astronomy (01-12-2022)“…To constrain the equation of state of cold dense matter, astrophysical measurements are essential. These are mostly based on observations of neutron stars in…”
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18
Phosphine gas in the cloud decks of Venus
Published in Nature astronomy (01-07-2021)“…Measurements of trace gases in planetary atmospheres help us explore chemical conditions different to those on Earth. Our nearest neighbour, Venus, has cloud…”
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Aerosol composition of hot giant exoplanets dominated by silicates and hydrocarbon hazes
Published in Nature astronomy (01-10-2020)“…Aerosols are common in the atmospheres of exoplanets across a wide swath of temperatures, masses and ages 1 – 3 . These aerosols strongly impact observations…”
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Massive stars as major factories of Galactic cosmic rays
Published in Nature astronomy (01-06-2019)“…The identification of the main contributors to the locally observed fluxes of cosmic rays is a prime objective in the resolution of the long-standing enigma of…”
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