biosphere Archives - Astrobiology

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“biosphere”

Exo-Daisy World: Revisiting Gaia Theory through An Informational Architecture Perspective

Gaia - Planetary Perspectives

Exo-Daisy World: Revisiting Gaia Theory through An Informational Architecture Perspective

Rate-induced Biosphere Collapse In The Daisyworld Model

Gaia - Planetary Perspectives

Rate-induced Biosphere Collapse In The Daisyworld Model

Sharp Rise in Cosmic Ray Irradiation of Organisms on Earth Caused by a Nearby SN Shockwave Passage

Radiation

Sharp Rise in Cosmic Ray Irradiation of Organisms on Earth Caused by a Nearby SN Shockwave Passage

Substantial Extension of the Lifetime of the Terrestrial Biosphere

Gaia - Planetary Perspectives

Substantial Extension of the Lifetime of the Terrestrial Biosphere

“Dark Biosphere” Planetarium Show

Education and Outreach

“Dark Biosphere” Planetarium Show

Retrievals Applied to a Decision Tree Framework Can Characterize Earthlike Exoplanet Analogs

Exoplanetology: Exoplanets & Exomoons

Retrievals Applied to a Decision Tree Framework Can Characterize Earthlike Exoplanet Analogs

A Global Atlas Of Subsurface Microbiomes Reveals Phylogenetic Novelty, Large Scale Biodiversity Gradients, And A Marine-terrestrial Divide

Microbiology & Virology

A Global Atlas Of Subsurface Microbiomes Reveals Phylogenetic Novelty, Large Scale Biodiversity Gradients, And A Marine-terrestrial Divide

The Early Earth As An Analogue For Exoplanetary Biogeochemistry

Biogeochemical Cycles & Geobiology

The Early Earth As An Analogue For Exoplanetary Biogeochemistry

Purple Is The New Green: Biopigments And Spectra Of Earth-like Purple Worlds

Biosignatures & Paleobiology

Purple Is The New Green: Biopigments And Spectra Of Earth-like Purple Worlds

Biosignatures From Pre-oxygen Photosynthesising Life On TRAPPIST-1e

TRAPPIST-1

Biosignatures From Pre-oxygen Photosynthesising Life On TRAPPIST-1e

Detecting Microbiology In The Upper Atmosphere: Relative-velocity Filtered Sampling

Microbiology & Virology

Detecting Microbiology In The Upper Atmosphere: Relative-velocity Filtered Sampling

Opinion: Planetary Scale Information Transmission in the Biosphere and Technosphere: Limits and Evolution

Gaia - Planetary Perspectives

Opinion: Planetary Scale Information Transmission in the Biosphere and Technosphere: Limits and Evolution

Variations In Climate Habitability Parameters And Their Effect On Earth’s Biosphere During The Phanerozoic Eon

Habitable Zones & Global Climate

Variations In Climate Habitability Parameters And Their Effect On Earth’s Biosphere During The Phanerozoic Eon

Isotopic Constraints On Lightning As A Source Of Fixed Nitrogen In Earth’s Early Biosphere

Astrogeology

Isotopic Constraints On Lightning As A Source Of Fixed Nitrogen In Earth’s Early Biosphere

New Stellar Danger to Exoplanets Identified by Chandra X-ray Observatory

Extinction events

New Stellar Danger to Exoplanets Identified by Chandra X-ray Observatory

An Orphan Protein Drove The Ecological Expansion Of Nitrogen Fixation

Microbiology & Virology

An Orphan Protein Drove The Ecological Expansion Of Nitrogen Fixation

A Novel Origin Of Abiotic Oxidants On Early Earth: Minerals

Biogeochemical Cycles & Geobiology

A Novel Origin Of Abiotic Oxidants On Early Earth: Minerals

Detecting Biospheres from Thermodynamic Disequilibrium in Planetary Atmospheres

Astrochemistry

Detecting Biospheres from Thermodynamic Disequilibrium in Planetary Atmospheres