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Two serendipitously detected dust-obscured galaxies are reported at z = 6.7 and 7.4, with estimates that such galaxies provide an additional 10–25% contribution to the total star formation rate density at z > 6.
The authors report 1.3 mm observations of dust emission from strongly lensed galaxies where star formation is quenched, demonstrating that gas depletion is responsible for the cessation of star formation in some high-redshift galaxies.
The metallicity of the interstellar medium measured towards 25 stars relatively near the Sun shows large variations, suggesting that infalling pristine gas is not efficiently mixed in the interstellar medium.
Cloud-top thermal images obtained by the Akatsuki orbiter show that Venus has almost null mean meridional circulation at the cloud top, because poleward circulation on the dayside is offset by equatorward circulation on the nightside.
Observations of 13CO in the atmosphere of a young, accreting super-Jupiter indicate a 13C-rich atmosphere, which is attributed to the accretion of carbon from ices enriched in 13C through fractionation.
An analysis of archival data from the Sloan Digital Sky Survey finds that star-forming satellite galaxies are relatively more common along the minor axis of central galaxies owing to the effect of black hole feedback.
Hydrogen and helium mixtures can be compressed to the extreme temperature and pressure conditions found in the interior of Jupiter and Saturn, and the immiscibility revealed supports models of Jupiter that invoke a layered interior.
This Perspective discusses how high-energy-density physics could tap the potential of AI-inspired algorithms for extracting relevant information and how data-driven automatic control routines may be used for optimizing high-repetition-rate experiments.
Radio observations of the cluster Abell 3376, combined with numerical modelling, attribute the bent jets associated with the second-brightest galaxy in the cluster to an ordered magnetic field at the discontinuity.
The abundances of stable Ti and Cr relative to Fe observed in the Cassiopeia A core-collapse supernova remnant reveal that Ti and Cr must have formed in neutrino-driven plumes that helped to drive the explosion.
A model for eruptions resulting in caldera collapse reconciles observations of quasi-periodic stick–slip events along annular faults and the large erupted volumes characteristic of such events, highlighting the role of topography-generated pressures.
The signatures of water, carbon monoxide, hydrogen cyanide, methane, ammonia and acetylene are observed in the transmission spectrum of the hot Jupiter HD 209458b, with abundance ratios suggesting a super-solar carbon-to-oxygen ratio.
A particle shower detected by the IceCube Neutrino Observatory at the very high energy of the Glashow resonance demonstrates its potential for the study of high-energy particle physics and astrophysics.
X-ray diffraction measurements of solid carbon compressed to pressures of about two terapascals (approximately twenty million atmospheres) find that carbon retains a diamond structure even under these extreme conditions.
Observations from the eROSITA telescope reveal soft-X-ray-emitting bubbles extending above and below the Galactic plane, which arose from energy injected into the Galactic halo from past activity in the Galactic centre.
When the Philae lander bounced on the surface of comet 67P/Churyumov–Gerasimenko, it exposed primitive icy-dust material within cometary boulders; the intrinsic strength and porosity of this material is reported.
The architecture of planetary systems is shown to be strongly affected by stellar clustering in position-velocity phase space; hot Jupiters occur preferentially at high density, suggesting that their extreme orbits originate from environmental perturbations.
An ultimately thin microwave bolometric sensor based on a superconductor–graphene–superconductor Josephson junction with monolayer graphene has a sensitivity approaching the fundamental limit imposed by intrinsic thermal fluctuations.