Milky Way’s “black hole” may not exist: New dark matter theory challenges supermassive black hole Sagittarius A* at the galactic centre |

Astronomers have proposed a theoretical model suggesting that the object at the centre of the Milky Way, widely identified as the supermassive black hole Sagittarius A*, could instead be explained by an extremely dense concentration of dark matter. The idea challenges the long-standing interpretation based on observations of fast-moving stars near the galactic core, which…

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From green screen to mysterious object on Moon — Artemis II conspiracy theories flood social media

An AI-generated image shows four Artemis II astronauts in front of a green screen Astronauts from Artemis II may have safely returned after completing their lunar mission, but that hasn’t stopped conspiracy theorists from spinning fresh claims. Hashtags such as “fake space” and “fake NASA” have gained traction online since the lunar fly-by sent the…

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NASA’s new PACE satellite can now pinpoint exactly where air pollution comes from |

NASA’s latest Earth-observing instruments are redefining society’s ability to hold those responsible for pollution accountable. The Plankton, Aerosol, Cloud, Ocean Ecosystem (PACE) satellite was launched on February 8, 2024, with a primary goal of assessing the health of Earth’s oceans. However, PACE now serves an additional purpose as a guide for air quality management. Using…

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