11/26/2021 |
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NEWS & FEATURES |
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3Dstock/Shutterstock Meet the candidates to be Earth's first interstellar astronauts The first interstellar spacecraft could carry microscopic passengers. So the search is on for ideal candidates.
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NOIRLab/NSF/AURA/J. da Silva; Image processing: M. Zamani and M. Kosari (NSF's NOIRLab) White dwarfs devouring exoplanets reveal exotic types of rock Bodies orbiting other stars may be stranger than imagined. |
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NASA’s Goddard Space Flight Center/SDO/S. Wiessinger. Pencil: Vlad Ivantcov/Dreamstim Sketching the Sun with AI The oldest method of recording the Sun has some new artificial-intelligence tricks. |
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NASA, ESA, V. Ksoll and D. Gouliermis (Universität Heidelberg), et al.; Processing: Gladys Kober (NASA/Catholic University of America) Snapshot: Hubble spots a mysterious superbubble N44 has a strange hole at its heart. Astronomy: Roen Kelly, after Andrew Z. Colvin Ask Astro: Does dark energy create the voids between galaxy clusters? I’ve seen it stated that giant voids exist between groups of galaxies. Is dark energy, the mysterious force driving galaxies away from one another, creating these vast voids of space? |
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OBSERVING |
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PICTURE OF THE DAY |
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Joshua Rose from Solvay, New York Stellar remnant The Eastern Veil Nebula (NGC 6992) is part of the Cygnus Loop, the remains of a giant star that exploded tens of thousands of years ago. |
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