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Nature Astronomy
Scopus
ISSN 2397-3366 · Nature Portfolio · 13 artikel di indeks
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An Ice Age JWST inventory of dense molecular cloud ices
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 the composition of their atmospheres. The initial ice composition is set in the cold, dense parts of molecular clouds, before the onset of…
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Stress testing ΛCDM with high-redshift galaxy candidates
Abstract Early data from the James Webb Space Telescope (JWST) have revealed a bevy of high-redshift galaxy candidates with unexpectedly high stellar masses. An immediate concern is the consistency of these candidates with galaxy formation in the standard Λ CDM cosmological model, wherein the…
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Identification and properties of intense star-forming galaxies at redshifts z > 10
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Spectroscopic confirmation of four metal-poor galaxies at z = 10.3–13.2
Finding and characterizing the first galaxies that illuminated the early universe at cosmic dawn is pivotal to understand the physical conditions and the processes that led to the formation of the first stars. In the first few months of operations, imaging from the James Webb Space Telescope (JWST)…
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Concepts and status of Chinese space gravitational wave detection projects
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Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu
Abstract 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 Solar System and the building blocks of life. C-type asteroid 162173 Ryugu has been characterized by remote sensing 2–7 and…
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HXMT identification of a non-thermal X-ray burst from SGR J1935+2154 and with FRB 200428
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Hierarchical mergers of stellar-mass black holes and their gravitational-wave signatures
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Stringent constraints on neutron-star radii from multimessenger observations and nuclear theory
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Molecular water detected on the sunlit Moon by SOFIA
Widespread hydration was detected on the lunar surface through observations of a characteristic absorption feature at 3 µm by three independent spacecraft1–3. Whether the hydration is molecular water (H2O) or other hydroxyl (OH) compounds is unknown and there are no established methods to…
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Aerosol composition of hot giant exoplanets dominated by silicates and hydrocarbon hazes