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NASA's Swift Telescope Faces Fiery Demise After Failed Rescue
Confirmed
In Short: NASA's Swift Observatory, launched in 2004, is set to end its mission with a fiery demise after a failed rescue attempt.
NASA's Swift Observatory, launched in 2004, is set to end its mission with a fiery demise after a failed rescue attempt. The observatory, which has been indispensable for over two decades, is now falling uncontrollably towards Earth.
The Swift Observatory was designed to study gamma-ray bursts, the most powerful explosions in the cosmos. It quickly began making significant discoveries soon after its launch.
Swift's nimble capabilities allowed it to observe a wide range of celestial objects, from gamma-ray bursts to other high-energy events. In its later years, it observed between five and ten 'targets of opportunity' daily, accumulating hundreds or even thousands of observations annually.
A rescue mission, involving a spacecraft commissioned by NASA to lift Swift out of its decaying orbit, launched in early July. However, technical issues prevented the spacecraft from getting closer than 7 to 9 miles to Swift.
Despite the failed rescue, Swift resumed observations and continued to make discoveries until its last scientific data was gathered on October 20, 2026. The observatory's X-ray Telescope captured its final image of Tycho's supernova remnant on August 26, 2026.
The Space Force is tracking Swift's descent, predicting it will crash into Earth on or around Friday. Intense solar activity over the past few years has accelerated Swift's fall, dragging it down faster than usual.
Swift's chief scientist, Brad Cenko, noted that while some pieces made of denser-than-lead tungsten and mirror parts could survive reentry, the observatory's end is inevitable. John Nousek, an astronomer who led the control team, expressed both mourning and gratitude for Swift's contributions.
Nousek emphasized that Swift's mission was always high-risk but high-reward. He hoped that the lessons learned from Swift could be applied to future space missions.
Swift's journey, from its launch in 2004 to its impending fiery end, marks a significant chapter in space exploration and astronomy.
NASA's predictions had shown that Swift's time above 185 miles (300 kilometers) would extend until October, but the observatory's fall has accelerated due to low-drag operations.
NASA and Katalyst announced on August 19 that the rescue attempt would not proceed, marking the end of Swift's operational life.
Swift's legacy will continue to inspire and inform future missions, as its data and observations have significantly contributed to scientific research over the past two decades.
What this adds
The observatory's impending fiery end marks the conclusion of a mission that has been both successful and challenging. Despite the failed rescue, Swift's contributions to astronomy and space exploration will be remembered for years to come.
Background
A female dusky shark named Bukang-i returned to a South Korean canal after authorities said they had successfully guided her out.
What's confirmed
- But a handful of pieces made of denser-than-lead tungsten and some mirror parts could survive reentry, according to NASA's Brad Cenko, the mission’s chief scientist.
- But the company’s three-armed robot named Link ran into trouble after launching in July and got no closer than 7 miles to 9 miles (12 kilometers to 15 kilometers) to the telescope.
- “Our fervent hope is that the lessons learned by the successes of Swift can be applied to new generations of space missions to accelerate our discoveries about the universe,” Nousek said in an email.
- “We’ve known this day would come since before Swift was launched. At least in low-Earth orbit, what goes up must come down. And that end is catastrophic,” said Pennsylvania State University’s John Nousek, an astronomer who led the control team.
- Swift resumed observations once the rescue attempt was called off, discovering even more gamma ray bursts and other ultrahigh-energy events.
- NASA hired Katalyst Space a year ago to mount a rush rescue.
What's still developing
- “Almost immediately after launch, Swift started discovering things,” says astrophysicist Lynn Cominsky of Sonoma State University in Rohnert Park, Calif.
- Swift — which was officially renamed the Neil Gehrels Swift Observatory in 2018, after its first principal investigator, who died a year earlier — gathered its last scientific data on Oct. 20, according to NASA's Friday update.
- "From the beginning, this was a high-risk, high-reward mission," Domagal-Goldman said in a statement on Sept. 25, the day that LINK fell back to Earth.
- Katalyst sought to mount a similar mission to the 36-year-old observatory, and the Swift operation was meant to serve as a preview of that.
- Satellite servicing is a growing field, with government agencies and commercial companies around the world practicing high-flying maneuvers. (Tech billionaires are interested, too: Before he was appointed to the top job at NASA, administrator Jared Isaacman offered to mount a SpaceX mission to raise Hubble’s orbit.) “The technology to enable servicing is on a very good path,” says David Barnhart, an astronautical engineer at the University of Southern California in Los Angeles, citing advancements in rendezvous sensors, propulsion systems and, the all-important element, robotic arms.