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Showing posts from August, 2022

Atmospheric Carbon dioxide on Exoplanet WASP-39b

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Exoplanet WASP 39b, NASA; Link Webb telescope spots CO2 on exoplanet for first time:  what it means for finding alien life  (Shannon HALL,  Nature ; August 29, 2022) https://www.nature.com/articles/d41586-022-02350-2?utm_source=Nature+Briefing&utm_campaign=1c9921bf2e-briefing-dy-20220830&utm_medium=email&utm_term=0_c9dfd39373-1c9921bf2e-42022891 WASP-39b Atmosphere Composition, NASA et al. ; Link Featured Pre-Print Article: Identification of carbon dioxide in an exoplanet atmosphere   (AHRER  et al. , 2022) https://arxiv.org/pdf/2208.11692 Also... The complete transmission spectrum of exoplanet WASP-39b with a precise water constraint   (WAKEFORD et al. , 2017) https://iopscience.iop.org/article/10.3847/1538-3881/aa9e4e/pdf WASP 39b:  A highly inflated Hot Saturn-mass planet orbiting a late G-type star (FAEDI et al. , 2011) https://www.aanda.org/articles/aa/full_html/2011/07/aa16671-11/aa16671-11.html

3D modelling of Otodus megalodon: Super-predator Shark from the Miocene Epoch

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Megalodon , User: Physter ; CC BY-SA 3.0 , Link The extinct shark Otodus megalodon was a transoceanic super-predator:  Inferences from 3D modeling (COOPER et al. , 2022)  https://www.science.org/doi/10.1126/sciadv.abm9424 Body dimensions of extinct giant shark Otodus megalodon :  A 2D reconstruction (COOPER et al. , 2020) https://www.nature.com/articles/s41598-020-71387-y Megalodon Size Chart , Oliver E. DEMUTH , CC BY-SA 4.0 , Link Also... Website: Miocene Fossil Collection ( Buena Vista Museum of Natural History & Science ) https://www.buenavistamuseum.org/miocenecollection  

Gem Geochemistry

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Rare Paraíba Tourmaline , Robert M. LAVINSKY ; CC BY-SA 3.0 , Link Geochemistry of silicate and oxide inclusions in sublithospheric diamonds (WALTER et al. , 2022) https://pubs.geoscienceworld.org/msa/rimg/article-pdf/88/1/393/5645135/rmg.2022.88.07.pdf Special Issue:  "Mineralogy and Geochemistry of Gems"  [VOUDOURIS et al ., Guest Editors.  Minerals,  Volume 9 (2019)] https://www.mdpi.com/journal/minerals/special_issues/Gems Geochemical and geological controls on the genesis of gem quality "Paraíba Tourmaline" in granitic pegmatites from northeastern Brazil (BEURLEN et al. , 2011) https://www.researchgate.net/profile/Hartmut-Beurlen/publication/233416371_Geochemical_and_geological_controls_on_the_genesis_of_gem-quality_Paraiba_Tourmaline_in_granitic_pegmatites_from_northeastern_Brazil/links/0fcfd50a68db7a97f2000000/Geochemical-and-geological-controls-on-the-genesis-of-gem-quality-Paraiba-Tourmaline-in-granitic-pegmatites-from-northeastern-Brazil.pdf...