11/19/2021 |
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NEWS & FEATURES |
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 NASA Long trips to space linked to possible brain damage Five space travelers had elevated levels of proteins in the blood often seen in people with head trauma and neurodegenerative diseases. |
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 Gift ideas for astronomy lovers and stargazers — 2021 holiday gift guide Searching for the perfect gift to give the space enthusiasts and stargazers on your holiday shopping list? Look no further.  |
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 ALMA (ESO/NAOJ/NRAO)/Benisty et al. Snapshot: ALMA spots moon-forming disk around distant exoplanet This stellar shot serves as the first unambiguous detection of a circumplanetary disk capable of brewing its own moon. |
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 Felix Za Flying into June’s ring of fire eclipse Take a journey through the shadow of the Moon.  ESO/M. Kornmesser Ask Astro: Can a black hole form without a parent star? Can a black hole form without a parent star? |
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OBSERVING |
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 Ralf Κλενγελ (Flickr) The sky this week Your daily digest of celestial events coming soon to a sky near you. |
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PICTURE OF THE DAY |
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 Thomas Christian from San Antonio, Texas Shocking image This image shows the shockwave of Cygnus X-1, a black hole eating the supergiant star HDE 226868. As it does so, it forms a jet that emanates out of the black hole’s accretion disc. At the center of the image is the Tulip Nebula, and just to its right is a bow-shaped structure that is the shockwave from Cygnus X-1. It lies approximately 7,000 light-years away. |
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