Astronomers find first compelling evidence for a moon outside our solar system

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On the hunt for distant worlds, researchers have identified an exomoon candidate around the transiting exoplanet Kepler-1625b that indicates the presence of a previously unknown gas-giant moon.
via Science Daily
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Mountaintop observatory sees gamma rays from exotic Milky Way object

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The High-Altitude Water Cherenkov Gamma-Ray Observatory (HAWC) collaboration has detected highly energetic light coming from a microquasar -- a black hole that gobbles up stuff from a companion star and blasts out powerful jets of material. Data analysis indicates that electron acceleration and collisions at the ends of the microquasar's jets produced powerful gamma rays. Multi-wavelength messengers from this unusual microquasar may offer scientists a glimpse into more extreme events happening in distant galaxies.
via Science Daily
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Animal study suggests deep space travel may significantly damage GI function in astronauts

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Deep space bombardment by galactic cosmic radiation (GCR) could significantly damage gastrointestinal (GI) tissue leading to long-term functional alterations, according to a new study, which also raises concern about high risk of tumor development in stomach and colon.
via Science Daily
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