The 247th Meeting of the American Astronomical Society (AAS 247) is being held Jan. 4 to Jan. 8 and will feature remarkable ...
Cosmic reionization denotes the transformative epoch when the first luminous sources emerged, ending the cosmic dark ages by ionising the pervasive neutral hydrogen. This period, which encompasses ...
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Space astronomy is under threat as new paper raises important concerns about megaconstellations
The number of satellites in space continues to rise due to the deployment of megaconstellations. For decades, humanity has ...
Historically, the Andromeda Galaxy (M31) was a subject of extensive debate, initially considered a "nebulous smear" and later central to the "island universe" hypothesis proposing its status as an ...
On June 16, 2025, NASA's Landsat 8 satellite caught a chain of elongated, oval lagoons near Billings and Cape Billings on ...
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