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Exploding stars

Researchers from Helmholtz-Zentrum Dresden-Rossendorf are studying near-Earth cosmic explosions to understand their potential impact on the Earth's biosphere. They found that ejected debris can reach our solar system, with some isotopes, such as iron-60 and plutonium-244, potentially coming from supernovae or other galactic events.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalAnnual Review of Nuclear and Particle Science·TypeSystematic review·DateNov 2, 2023

Astronomers capture radio signal from distant galaxy

Researchers detect radio signal from record-breaking distance galaxy, measuring gas composition and gaining insights into the early universe. The signal was amplified by a factor of 30 using gravitational lensing, allowing scientists to study a previously inaccessible region.

SourceMcGill University·JournalMonthly Notices of the Royal Astronomical Society·TypeComputational simulation/modeling·DateJan 16, 2023

Nuclear magic trick

An international team of researchers found that destructive quantum interference suppresses transition between superdeformed and spherical ground states in calcium-40 nuclei. This work may help explain nucleosynthesis processes and the remarkable stability of magic nuclei.

SourceOsaka University·JournalPhysical Review Letters·TypeExperimental study·DateJun 21, 2022

Setting out to discover new, long-lived elements

Researchers at GSI Helmholtz Centre for Heavy Ion Research developed an ion trap device that measures atomic mass with unprecedented accuracy, enabling the discovery of long-lived elements on islands of stability. The team successfully trapped atoms of element 102, nobelium, and measured its atomic mass with a 0.000005% uncertainty.

SourceHelmholtz Association·JournalNature·DateFeb 11, 2010