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Two scientists from CNRS and Sorbonne University working at the Institute of Celestial Mechanics and Ephemeris Calculation (Paris Observatory - PSL/CNRS) have just shown that the influence of Saturn's satellites can explain the tilt of the rotation axis of the gas giant. Their work, published on 18 January 2021 in the journal Nature Astronomy, also predicts that the tilt will increase even further over the next few billion years.
Far below the gaseous atmospheric shroud on Saturn's largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Cornell University astronomers have estimated that sea to be at least 1,000-feet deep near its center - enough room for a potential robotic submarine to explore.
E-Mail IMAGE: This image of a glacier on Mars shows the abundance of boulders within the ice. High-resolution imaging of the surface of Mars suggests that debris-covered glacier deposits formed during multiple... view more Credit: Joe Levy/Colgate University In a new paper published today in the Proceedings of the National Academies of ScienceS ( PNAS), planetary geologist Joe Levy, assistant professor of geology at Colgate University, reveals a groundbreaking new analysis of the mysterious glaciers of Mars. On Earth, glaciers covered wide swaths of the planet during the last Ic...
E-Mail IMAGE: Artistic rendition of the exoplanet WASP-107b and its star, WASP-107. Some of the star's light streams through the exoplanet's extended gas layer. view more Credit: ESA/Hubble, NASA, M. Kornmesser. The core mass of the giant exoplanet WASP-107b is much lower than what was thought necessary to build up the immense gas envelope surrounding giant planets like Jupiter and Saturn, astronomers at Université de Montréal have found. This intriguing discovery by Ph.D. student Caroline Piaulet of UdeM's Institute for Research on Exoplanets (iREx) suggests that gas-giant plan...
Loading video... VIDEO: This is CosmoView Episode 18 for press release noirlab2103: Giant Map of the Sky Sets Stage for Ambitious DESI Survey view more Credit: Images and Videos: KPNO/CTIO/NOIRLab/NSF/AURA/Legacy Imaging Survey, P. Marenfeld, D. Munizaga, Lawrence Berkeley National Lab. Music: Stellardrone - Airglow. Astronomers using images from Kitt Peak National Observatory and Cerro Tololo Inter-American Observatory have created the largest ever map of the sky, comprising over a billion galaxies. The ninth and final data release from the ambitious DESI Legacy Imaging Surveys set...