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Neil Gehrels

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    NASA's Neil Gehrels Swift Observatory, a space telescope that studied gamma-ray bursts for two decades, has reentered Earth's atmosphere after a failed attempt to raise its decaying orbit. Reports say controllers could not rescue the spacecraft, which burned up on reentry. The fall marks the end of one of NASA's most productive astrophysics missions.

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    NASA's Swift Observatory Reentering Earth's Atmosphere▼nasa swift observatory reentering earthGgoogleCA5003 d ago

    NASA's Neil Gehrels Swift Observatory, which studied gamma-ray bursts and other cosmic explosions for nearly two decades, is reentering Earth's atmosphere following the end of its mission. NASA says the observatory leaves behind a major scientific legacy, having detected thousands of gamma-ray bursts and contributed to discoveries across astrophysics. Space watchers are tracking the reentry event.

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    NASA space telescope falls to Earth after 22-year mission●One of NASA's premier space telescopes has plunged to Earth, ending its 22-year investigation of the universe's biggestMmastodonBusiness61 d ago

    NASA's Neil Gehrels Swift Observatory has reentered Earth's atmosphere, closing out a 22-year mission spent studying the universe's most powerful explosions, including gamma-ray bursts. The telescope far exceeded its original design life and became one of the agency's most productive astrophysics missions, with scientists paying tribute to its two decades of discoveries.

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    NASA's Neil Gehrels Swift Observatory, a gamma-ray-burst telescope launched in 2004, is predicted to reenter Earth's atmosphere within hours, with most of the spacecraft expected to burn up on descent. The uncontrolled reentry has drawn widespread attention, with news outlets tracking the timing and possible debris risks as the aging observatory completes its two-decade mission from orbit.

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    NASA's Neil Gehrels Swift Observatory, a gamma-ray burst telescope that operated in orbit for roughly two decades, has reentered Earth's atmosphere and burned up. The spacecraft, launched in 2004 to study cosmic explosions, ended its mission as it fell from orbit, marking the close of one of NASA's most productive astrophysics missions.

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    NASA's Swift Observatory to burn up in atmosphere this week▼NASA’s Neil Gehrels Swift Observatory to burn up this week after more than two decades in space✉newsScienceSpace Policy2 d ago

    NASA's Neil Gehrels Swift Observatory, a gamma-ray burst hunter that operated for more than two decades, is expected to reenter Earth's atmosphere and burn up this week. The spacecraft, launched in 2004 and named after the late astrophysicist Neil Gehrels, far outlived its original mission plans before being decommissioned.

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    NASA's Neil Gehrels Swift Observatory reenters over Indonesia▼NASA’s Neil Gehrels Swift Observatory reenters over Western Indonesia✉newsScienceSpace Policy1 d ago

    NASA's Neil Gehrels Swift Observatory, a gamma-ray burst telescope that operated for over two decades, has reentered Earth's atmosphere over western Indonesia. The spacecraft, launched in 2004, ended its scientific mission earlier and its uncontrolled return drew attention across the region and among space watchers globally. No reports of damage or injuries have been confirmed, and the event is being followed for details on the spacecraft's final trajectory.

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    NASA's Swift Observatory reenters Earth's atmosphere●NASA's Neil Gehrels Swift Observatory reenters Earth's atmosphere The Swift Observatory, which launched in 2004 to studyMmastodonScienceSpace223 h ago

    NASA's Neil Gehrels Swift Observatory, launched in 2004 to study gamma-ray bursts, has reentered Earth's atmosphere, burning up over Indonesia. The spacecraft ended its two-decade career after a failed attempt to extend its mission. Observers are noting the close of one of NASA's long-running high-energy astrophysics missions.

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    NASA shuts down Neil Gehrels Swift Observatory after orbital decay●NASA's 1,450 kg Neil Gehrels Swift Observatory, launched in 2004 to study gamma-ray bursts and black holes, has been perMmastodonScience11 d ago

    NASA has permanently shut down the Neil Gehrels Swift Observatory, the 1,450 kg telescope launched in 2004 to study gamma-ray bursts and black holes. The spacecraft dropped to an altitude of 275 km, with heightened solar activity accelerating its orbital decay. A rescue attempt by Katalyst Space reportedly failed to save the mission, ending two decades of observations.

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    NASA's Swift satellite falls back to Earth●# rip # swift # satellite # science # nasa # research # space https://www. nytimes.com/2026/11/03/science /nasa-swift-reMmastodonScience12 d ago

    NASA's Swift space telescope, which studied gamma-ray bursts for over two decades, has re-entered the atmosphere and crashed. The Neil Gehrels Swift Observatory launched in 2004 and outlived its planned mission by roughly 16 years, becoming one of astronomy's most productive observatories. Scientists are mourning the spacecraft's end while praising its long legacy of discoveries in space research.

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    Neil Gehrels: the astrophysicist behind Swift and Roman▼Neil Gehrels, the astrophysicist whose Swift telescope falls as Roman takes off✉newsSciencePhysics3 d ago

    The story of Neil Gehrels, the astrophysicist who led NASA's Swift gamma-ray telescope and shaped the Nancy Grace Roman Space Telescope before his death in 2017. As the Swift observatory's orbit decays and falls toward reentry, the Roman telescope he championed is preparing for launch, a symbolic passing between two missions that defined his career.

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    NASA's Swift Observatory set to fall back to Earth●NASA's Swift Observatory expected to re-enter Earth's atmosphere The Neil Gehrels Swift Observatory is predicted to re-eMmastodonScienceSpace13 d ago

    NASA's Neil Gehrels Swift Observatory is expected to re-enter Earth's atmosphere on November 4, nearly 22 years after it was launched in 2004. The gamma-ray burst hunter is ending its long scientific career as its orbit decays. Space watchers are noting the milestone and the end of an era for the well-known telescope.

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    NASA's Swift Observatory Stops Science Operations as Orbit Decays▼NASA Swift Ends Science Below 171 Miles [2026]✉newsScience3 d ago

    NASA's Neil Gehrels Swift Observatory has ended its science operations after its orbit decayed below 171 miles (275 km) altitude, where atmospheric drag makes stable pointing impossible. The X-ray and ultraviolet telescope, launched in 2004 to study gamma-ray bursts, is expected to reenter Earth's atmosphere and burn up, with most of the spacecraft expected to be destroyed.

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    Neil Gehrels Swift Observatory set to reenter this week●Wird wohl nicht ganz verglühen: Absturz des Weltraumteleskops Swift diese Woche Der Absturz des Neil Gehrels Swift ObserMmastodonWorld23 d ago

    The Neil Gehrels Swift Observatory, NASA's gamma-ray burst space telescope, is expected to fall back to Earth this week. Most of the satellite will burn up in the atmosphere during reentry, but fragments may survive and reach the ground. Observers and space enthusiasts are watching closely to track where and when debris could come down.

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    Neil Gehrels Named 2016 Distinguished Caltech Alumnus▼2016 Distinguished CalTech Alumnus Neil Gehrels✉newsSciencePhysics5 d ago

    Astrophysicist Neil Gehrels was recognised as a 2016 Distinguished Alumnus of Caltech. Gehrels, known for his leading role in NASA gamma-ray burst astronomy, including the Swift and Fermi missions, was honoured by his alma mater for his contributions to space science. Coverage of the recognition is currently limited to a brief announcement.

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    Swift Observatory Falling to Earth: Who Pays If Debris Hits?●Swift Observatory Falling to Earth: Who Is Liable If Debris Causes Damage?✉newsScienceSpace Policy3 d ago

    NASA's Neil Gehrels Swift Observatory, launched in 2004 to study gamma-ray bursts, is expected to reenter Earth's atmosphere, and questions are being raised about who would be liable if any surviving debris causes damage or injury. The debate centres on international space law, including the Liability Convention, which governs compensation claims when space objects cause harm on the ground, and how liability is shared between international partners.

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    NASA's old Swift telescope set to fall to Earth●🛰️ Старый телескоп NASA скоро рухнет на Землю. Аппарат весит около полутора тонн , пишет Associated Press Речь об орбитаMmastodonWarUkraine04 d ago

    NASA's Neil Gehrels Swift Observatory, an orbital telescope weighing about 1.5 tonnes, is expected to re-enter Earth's atmosphere soon, according to the Associated Press. Most of the spacecraft will burn up on re-entry, but some parts made of tungsten are dense enough that fragments may survive and reach the ground. Agencies are tracking the descent, and the fate of the decommissioned observatory is drawing wide attention.