Browse research papers in Space and Planetary Science - Earth and Planetary Sciences Discover 3 academic papers with AI-powered analysis

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Earth and Planetary Sciences

Space and Planetary Science

The study of celestial bodies and space environments, including planetary geology, astrobiology, solar system formation, exoplanets, space weather, and missions to explore other worlds

3 papers in this specialization

Paperzilla Papers in Space and Planetary Science

The JWST weather report: Retrieving temperature variations, auroral heating, and static cloud coverage on SIMP-0136

This paper used JWST to study the brown dwarf SIMP-0136, finding its upper atmosphere is unexpectedly hot, likely due to auroral activity, while patchy clouds remain consistent and are not the main driver of its atmospheric variability. The temperature variations deeper in the atmosphere are the primary cause of its observed brightness changes, with some chemical species also showing variability.

The unreasonable likelihood of being Origin of life, terraforming, and AI

This paper explores the probability of life spontaneously arising on Earth, calculating the information needed to build a protocell within the time available. It concludes that while theoretically possible, the conditions are extremely improbable, raising the question of external intervention (panspermia or, as the author colorfully notes, aliens).

Time of proto-Earth reservoir formation and volatile element depletion from 53Mn-53Cr chronometry

By using Mn-Cr isotope ratios as a chronometer, this study suggests that the proto-Earth lost a significant portion of its volatile elements (like hydrogen and oxygen) within 3 million years of the Solar System's formation. This depletion likely occurred due to evaporation and high temperatures in the early solar system and suggests the Earth formed largely from volatile-depleted materials. The study also proposes that Theia, the Mars-sized object that collided with Earth to form the Moon, likely formed farther out in the Solar System and may have contributed volatiles to Earth.