International

NASA spaceship deflected asteroid in test to save Earth

Photo: Jim Watson / AFP

AFP / Issam Ahmed

NASA on Tuesday said it had succeeded in deflecting an asteroid in a historic test of humanity’s ability to stop an incoming cosmic object from devastating life on Earth.

The fridge-sized Double Asteroid Redirection Test (DART) impactor deliberately smashed into the moonlet asteroid Dimorphos on September 26, pushing it into a smaller, faster orbit around its big brother Didymos, said NASA chief Bill Nelson.

“DART shortened the 11 hour 55 minute orbit to 11 hours and 23 minutes,” he said. Speeding up Dimorphos’ orbital period by 32 minutes exceeded NASA’s own expectation of 10 minutes.

“We showed the world that NASA is serious as a defender of this planet,” added Nelson.

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The asteroid pair loop together around our Sun every 2.1 years, and pose no threat to our planet.

But they are ideal for studying the “kinetic impact” method of planetary defense, in case an actual approaching object is ever detected.

DART’s success as a proof-of-concept has made a reality of science fiction — notably in films such as “Armageddon” and “Don’t Look Up.”

Astronomers rejoiced in stunning images of matter spreading out thousands of miles in the wake of the impact — pictures collected by Earth and space telescopes, as well as a mini satellite that had traveled to the zone with DART.

Pseudo-comet

Thanks to its temporary new tail, Dimorphos, which is 530-foot (160-meter) in diameter or roughly the size of a big Egyptian pyramid, has turned into a manmade comet.

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But quantifying just how well the test worked required an analysis of light patterns from ground telescopes, which took a few weeks to become apparent.

The binary asteroid system, which was around 6.8 million miles (11 million kilometers) from Earth at impact, is visible only as a single dot from the ground.

Ahead of the test, NASA scientists said the results of the experiment would reveal whether the asteroid is a solid rock, or more like a “rubbish pile” of boulders bound by mutual gravity.

If an asteroid is more solid, the momentum imparted by a spaceship will be limited. But if it is “fluffy” and significant mass is pushed at high velocity in the opposite direction to impact, there will be an additional boost.

Never actually photographed before, Dimorphos appeared as a speck of light around an hour before impact.

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Its egg-like shape and craggy, boulder-dotted surface finally came into clear view in the last few moments, as DART raced toward it at roughly 14,500 miles (23,500 kilometers) per hour.

Mass extinction

Very few of the billions of asteroids and comets in our solar system are considered potentially hazardous to our planet, and none are expected in the next hundred years or so.

But wait long enough, and it will happen.

The geological record shows, for example, that a six-mile wide asteroid struck Earth 66 million years ago, plunging the world into a long winter that led to the mass extinction of the dinosaurs along with 75 percent of all species.

An asteroid the size of Dimorphos, by contrast, would only cause a regional impact, such as devastating a city.

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Kinetic impact with a spaceship is just one way to defend the planet, albeit the only method possible with current technology.

Should an approaching object be detected early, a spaceship could be sent to fly alongside it for long enough to divert its path via using the ship’s gravitational pull, creating a so-called gravity tractor.

Another option would be launching nuclear explosives to redirect or destroy an asteroid.

NASA believes the best way to deploy such weapons would be at a distance, to impart force without blowing the asteroid to smithereens, which could further imperil Earth.

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People sit at their workstations within the Mission Operations Center during the Double Asteroid Redirection Test (DART) Technology Media Workshop Telecon Briefing and tour at the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, on September 12, 2022, ahead of the September 26th project test mission. - The goal of the DART mission, which launched in November 2021, is to hit an asteroid with a spacecraft to slightly alter its trajectory. (Photo by Jim WATSON / AFP)

International

Hiroshima survivor who embraced Obama dies at 88

The emotional embrace between Barack Obama and Hiroshima survivor Mori—who was eight years old when the United States dropped the atomic bomb in 1945—resonated around the world.

According to Asahi Shimbun and other local media, Mori died on Saturday at a hospital in Hiroshima.

Mori, known for his research on the fate of American prisoners of war in Hiroshima, was thrown into a river by the force of the explosion on August 6, 1945, during the atomic bombing of the city.

In a past interview with AFP, ahead of his meeting with Obama at the Hiroshima Peace Memorial in 2016, Mori recalled the chaos and desperation that followed the blast.

He described how, after emerging from the water, he encountered injured civilians seeking help amid the devastation, an experience that stayed with him throughout his life.

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In 2016, Obama became the first sitting U.S. president to visit Hiroshima, where he paid tribute to the victims of the first atomic bomb used in warfare. During the visit, Mori was visibly moved as he met the president, sharing a brief but powerful moment that symbolized remembrance and reconciliation.

The bombing of Hiroshima resulted in the deaths of approximately 140,000 people, including those who succumbed to radiation exposure in the aftermath.

Three days later, a second atomic bomb was dropped on Nagasaki, killing an estimated 74,000 people and contributing to the end of World War II.

International

Colombia seeks ‘total suffocation’ of armed groups with regional support

Colombia is advancing a strategy aimed at the “total suffocation” of illegal armed groups, seeking to corner them in border regions with the support of Ecuador and Venezuela, Defense Minister Pedro Sánchez said in an interview with AFP.

According to the minister, coordinated pressure from neighboring countries—backed by United States—aims to dismantle criminal networks that use cross-border routes to traffic Colombian cocaine toward North America and Europe.

For decades, armed groups involved in Colombia’s internal conflict have relied on border territories as strategic rear bases to evade military operations and maintain logistical support.

However, Sánchez said that dynamic is beginning to change.

“We expect a total suffocation between both nations so they have no spaces where they can live or feel safe […] to close off any room they might have,” he stated during the interview in Bogotá, less than five months before the end of President Gustavo Petro’s term.

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Regional developments have reinforced this strategy. Following the capture of Nicolás Maduro in a U.S. military operation, Washington has increased its influence in Caracas, where interim leader Delcy Rodríguez has implemented a renewed anti-narcotics policy.

Meanwhile, in Ecuador, President Daniel Noboa—a key U.S. ally in the region—has launched a two-week security plan under strict curfews to combat criminal gangs, with U.S. support.

Sánchez argued that these combined efforts leave illegal organizations with fewer escape routes and operational spaces, effectively placing them in a “dead end.”

International

Two killed in shooting at restaurant near Frankfurt Airport

Two people were shot dead early Tuesday at a restaurant in Raunheim, near Frankfurt Airport, according to local police.

Preliminary findings indicate that an armed individual entered the establishment at around 03:45 local time (02:45 GMT) and opened fire on the victims, who died at the scene from their injuries.

The suspect fled and remains at large, while the motive behind the shooting is still unclear, German media reported. Authorities have launched a large-scale search operation.