Viyan Science
20 pieces · RSS
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Solar Composition Hints at Swallowed Planets
Recent modeling of the Sun's chemical structure suggests it may have consumed planetary material early in its history, leaving distinct traces in its outer layers.
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Nitrogen Chemistry Within Asteroid Ryugu
Analyses of samples from asteroid Ryugu show that nitrogen was integrated into solid organic matter early in the solar system's history.
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NASA Research Aircraft Begin NFL Stadium Flyovers
NASA is conducting low-altitude aircraft flyovers during NFL games to engage the public and demonstrate advancements in aeronautics.
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Curiosity Reaches 1,000 Meters of Vertical Ascent on Mars
The Curiosity rover has achieved a 1,000-meter cumulative elevation gain on Mount Sharp, enabling a comparative study of Martian stratigraphic history and aeolian processes.
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Printing Martian Shelters with Microbial Calcite
Engineers are testing whether microbial organisms can turn Martian soil into solid building blocks by binding loose particles with calcium carbonate.
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Mapping Phobos Surface Migration for MMX
A new morphodynamic atlas uses complex vector fields to map how loose material migrates on Phobos.
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Mapping Stellar Death Through Infrared Echoes
Observations of SN 2022yyz reveal a massive, dense shell of material ejected just before the star exploded, suggesting a violent pre-supernova binary interaction.
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Cloud-9 Observations Detect No Stellar Light
Deep imaging of the suspected dark galaxy Cloud-9 using the MMT Observatory confirms the absence of detectable starlight down to current instrumental limits.
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Magnetic Channels Guide Cosmic Electrons in NGC 2442
Observations of the galaxy NGC 2442 reveal that cosmic-ray electrons are channeled by large-scale magnetic fields, causing radio emission to appear far from sites of star formation.
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NASA Updates Artemis II Crew Assignments
NASA has announced personnel changes for the Artemis II mission, transitioning Reid Wiseman and Victor Glover out of their active flight roles.
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Early galaxies crossed a dust threshold at redshift 8.9
An analysis of JWST and sub-millimetre dust masses places a break at redshift 8.9, where interstellar grain growth overtakes supernova dust as the main supplier.
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Tadpole galaxies can be lopsided and still orderly inside
MUSE spectroscopy of twenty tadpole galaxies in the Hubble Ultra Deep Field finds their gas moving along their tails, at a median 12° between the shape's axis and the motion's axis where unrelated axes would average 45°.
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JWST Selects 108 Galaxies by Their Paschen Lines
A JWST narrowband survey picks out 108 galaxies at cosmic noon by their hydrogen Paschen lines alone, and finds most of them forming stars in short bursts rather than steady rates.
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Chandra Catches a Supernova Impostor in the Act
Chandra's March 2026 detection of X-rays from AT 2016blu, and their absence from 2001–2002 archival data, back the paper's case that a compact companion is driving the star's outbursts.
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Webb Reports Water in the Dust Envelope of IRS 3
A NASA image release reports a first detection of water in the dust envelope of the dying star IRS 3 from Webb mid-infrared data, and supplies no spectrum, abundance or significance to check the claim against.
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The Kes 41 point source is better described as a cloud
A reanalysis of more than 16 years of Fermi LAT data reports three extended gamma-ray components, including one at the Kes 41 supernova remnant that is statistically preferred over the previously reported point source.
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Lensed Mergers Can Be Pinned to a Galaxy's Nucleus
A paper on arXiv works out that one strongly lensed black hole merger, localised to the nucleus of its host galaxy, would statistically rule out mergers that simply follow the starlight.
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NASA Adds Relativity's Terran R to Its Launch Roster
NASA has made Relativity Space's Terran R eligible for future launch task orders under the NLS II contract, an eligibility step rather than a mission award.
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Little Red Dots May Be the Hidden Source of High-Energy Neutrinos
A modeling study argues that the small red galaxies JWST found in the early universe could supply part of the all-sky high-energy neutrino background while hiding the gamma rays that would normally come with it.
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A Possible Fifth Planet for HR 8799, Closer In Than the Rest
A new reduction of JWST NIRISS aperture-masking data reports a candidate fifth planet around HR 8799, detected just above the 3σ contrast curve in a single filter.