SPHEREx, a NASA explorer satellite launched on 11 March 2025, is carrying out the first all-sky near-infrared spectral survey. The satellite observes in 102 spectral bands from 0.75 to 5.0 […]
galactic plane
Posted inMicrobiology & Virology, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography
Galactic Forcing Increases Origination Of Marine Microplankton
The continuous flux of Galactic cosmic rays that bombard Earth’s atmosphere creates ionizing radiation that can damage the DNA of living organisms.
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Microbiology & Virology, Origin & Evolution of Life, Status Report, Stellar Cartography, Water/Hycean Worlds & Oceanography
Cosmic Radiation Drives Quasi-periodic Changes In The Diversity Of Siliceous Marine Microplankton
Radiolarians are significant contributors to the oceanic primary productivity and the global silica cycle in the last 500 Myr. Their diversity throughout the Phanerozoic shows periodic fluctuations.