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| Astronomers create 3D-printed stellar nurseries Posted: 02 Sep 2021 02:48 PM PDT Astronomers can't touch the stars they study, but an astrophysicist is using 3-dimensional models that fit in the palm of her hand to unravel the structural complexities of stellar nurseries, the vast clouds of gas and dust where star formation occurs. Astronomers created the models using data from simulations of star-forming clouds and a sophisticated 3D printing process in which the fine-scale densities and gradients of the turbulent clouds are embedded in a transparent resin. |
| Stellar collision triggers supernova explosion Posted: 02 Sep 2021 02:46 PM PDT The Very Large Array Sky Survey gave astronomers the first clue that ultimately revealed a dramatic story -- the remnant of a star that exploded long ago had plunged into the core of its companion star causing it, too, to explode as a supernova. |
| Cold planets exist throughout our Galaxy, even in the galactic bulge Posted: 30 Aug 2021 11:02 AM PDT Researchers combined observations and modeling to infer the distribution of cold planets in the Milky Way. The results suggest that this distribution is not strongly dependent on the distance from the Galactic center. Cold planets seem to be present throughout our Galaxy, even in the galactic bulge, where their existence was uncertain. The findings could improve our understanding of both planetary formation and its history in the Milky Way. |
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