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On Sept. 10, 2025, SpaceX launched 21 satellites from Vandenberg, beginning the SDA’s first Transport Layer constellation for secure U.S. military communications. Built by York Space Systems, the satellites mark the first operational step toward a 126-satellite network linking American forces worldwide with encrypted, laser-based connections.

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Rising Satellite Traffic in Low Earth Orbit Sparks Collision Risk Concerns

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October 14, 2025

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A new study in Acta Astronautica warns that Low Earth Orbit is becoming dangerously congested. Since 2019, the number of satellites performing more than ten collision-avoidance maneuvers per month has risen sevenfold. With nearly 25,000 tracked objects and more launches planned, scientists fear a chain-reaction risk and call for stronger global coordination in orbital…

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Astronomers Detect Smallest Known Clump of Pure Dark Matter Using Gravitational Lensing

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October 14, 2025

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Astronomers using a global radio telescope array have detected the smallest known pure dark matter clump, roughly a million times the Sun’s mass. Found through a faint gravitational distortion in an Einstein ring, it offers new insight into how dark matter halos form across the universe.

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Astronomers Capture First Image of Two Supermassive Black Holes Orbiting Each Other

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October 14, 2025

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Astronomers have captured the first image of two supermassive black holes orbiting in quasar OJ 287. The smaller black hole’s jet spirals due to gravitational forces from the larger one. This discovery validates dual-core theories and opens doors for research on gravitational waves and galaxy evolution.

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