gamma rays

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.

NASA has announced the end of its Swift mission, the space telescope that spent years observing gamma-ray bursts and other cosmic events. The agency says the mission closes leaving behind a rich scientific legacy, with discoveries spanning supernovae, black holes and comet observations. The announcement has drawn attention as space enthusiasts and researchers reflect on the telescope's long contributions to astronomy.

The Swift space observatory, which spent over a decade studying gamma-ray bursts far beyond its planned mission length, is expected to reenter Earth's atmosphere. The telescope leaves behind roughly 12 terabytes of data — equivalent to about 600 HD movies — from its years of observations. In Brazil, interest in the observatory's end is growing as coverage highlights its work running more than ten times its original schedule.

Japan's MMX mission to Mars's moons is drawing attention as a Lawrence Livermore gamma-ray spectrometer prepares to fly on the spacecraft, probing long-standing mysteries about Phobos and Deimos. Meanwhile, NASA has updated its Moon lander plans and resolved a long-running Orion spacecraft issue, and October's Hunter's Moon is prompting astrology interest across North America and Australia.

NASA's Swift space telescope, launched in 2004 to study gamma-ray bursts, is predicted to re-enter Earth's atmosphere and crash down tomorrow. Most of the observatory is expected to burn up during re-entry, with any surviving debris posing minimal risk. The impending uncontrolled descent of the long-serving astronomy mission is drawing widespread attention.

NASA's Swift space telescope, which has studied gamma-ray bursts since its 2004 launch, is expected to reenter Earth's atmosphere and burn up. The observatory has strong ties to Tucson, Arizona, where scientists and engineers played major roles in its design and operation. Coverage highlights its two decades of discoveries about cosmic explosions and the dramatic end of its mission.

NASA's Swift Observatory, a space telescope that studied gamma-ray bursts, is expected to reenter Earth's atmosphere this week. Experts say at least 100 kilograms (220 pounds) of debris could survive reentry, though the risk to people on the ground remains very small. Attention is focused on where remnants may land, with most of the planet covered by ocean or uninhabited land.

NASA has announced that its Swift Observatory, a space telescope launched in 2004 to study gamma-ray bursts, will re-enter Earth's atmosphere. The mission observed cosmic explosions for nearly two decades before operations wound down. The re-entry marks the end of one of NASA's most productive astrophysics missions, and space enthusiasts and astronomers are reflecting on its scientific legacy.

NASA's Swift space telescope is expected to fall back to Earth on Friday, crashing somewhere on the planet after a failed rescue mission left it unable to stay in orbit. The observatory, launched to study gamma-ray bursts, is now on a decaying trajectory, and its exact re-entry point is not known, prompting attention to where debris may land.

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.

NASA's Swift Observatory, a space telescope that has spent years detecting gamma-ray bursts and other cosmic events, is approaching the end of its operational life. National Geographic notes this is far from the first time NASA has had to retire one of its robotic spacecraft, recalling past farewells to long-serving missions. The observatory is expected to wind down as its instruments and fuel are exhausted.

NASA's Neil Gehrels Swift Observatory, which studied gamma-ray bursts for more than two decades, is expected to reenter Earth's atmosphere and burn up this week. The satellite launched in 2004 and far outlived its planned mission, becoming one of NASA's longest-running astrophysics observatories. Space enthusiasts are noting the end of an era for the prolific telescope.

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.

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.

NASA's Swift space telescope, which has studied gamma-ray bursts from orbit since 2004, is expected to reenter Earth's atmosphere imminently. The spacecraft is running low and will plunge back to Earth, with most of it likely burning up during descent. The story is drawing attention as an example of an aging NASA observatory reaching the end of its long operational life.

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.

NASA's Swift space telescope is expected to make an uncontrolled reentry into Earth's atmosphere, falling back without a guided descent. The observatory, launched in 2004 to study gamma-ray bursts, has spent two decades observing cosmic explosions. The uncontrolled return raises questions about space debris risks and highlights the aging of NASA's early-2000s fleet of astronomy missions.

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.

NASA's Swift space telescope is expected to reenter Earth's atmosphere, with predictions pointing to an uncontrolled fall within roughly a day. The observatory, launched in 2004 to study gamma-ray bursts, has spent two decades in orbit. Space agencies and trackers are watching where debris might land, and the event is drawing attention as another case of ageing satellites returning uncontrolled.

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.

The Neil Gehrels Swift Observatory, NASA's gamma-ray burst telescope, has concluded its mission after more than two decades in orbit. Efforts to rescue the observatory failed, and it was allowed to continue researching one final time before operations ceased. The satellite is now expected to burn up in Earth's atmosphere soon, closing a chapter on one of astronomy's most productive missions.

Astronomers have detected a gamma-ray burst that ranks among the brightest observed in decades. Gamma-ray bursts are the most energetic explosions in the universe, typically linked to collapsing massive stars or neutron star mergers. The event is drawing attention from scientists and space enthusiasts, who are discussing its exceptional brightness and what it could reveal about these cosmic phenomena.

NASA's Swift space telescope, which has observed gamma-ray bursts and other cosmic events since 2004, is reportedly facing possible funding cuts or an uncertain future. Explanatory pieces are breaking down what the observatory does, its scientific contributions, and what ending or reducing the mission would mean for astronomy research.

NASA's Swift space telescope, which has studied gamma-ray bursts since 2004, is expected to reenter Earth's atmosphere in the coming days, with most of it burning up. Attention is focused on where any surviving debris could land, though the exact location and timing remain uncertain. The event has drawn interest because of the observatory's long scientific legacy and the unpredictable nature of uncontrolled reentries.

Astronomers report a gamma-ray burst ranking among the brightest observed in roughly twenty years, a rare and powerful flash of high-energy radiation from deep space. Such bursts are associated with cataclysmic events like collapsing massive stars, and an exceptionally bright one gives scientists an unusually good chance to study how these explosions work.

NASA's Swift space observatory has concluded its mission after two decades in orbit. Launched in 2004, the telescope was built to detect and study gamma-ray bursts, the most powerful explosions in the universe since the Big Bang, observing thousands of them along with comets, supernovae and black hole activity. The retirement closes a landmark chapter in high-energy astrophysics that reshaped understanding of these cataclysmic cosmic events.

NASA has ended the science operations of the Swift Observatory, closing out a mission that ran for nearly 22 years. The space telescope studied gamma-ray bursts and other cosmic events far beyond its originally planned lifespan, and its retirement marks the end of one of the longest-running astrophysics missions, prompting reflection on its scientific legacy.