International
NASA spaceship deflected asteroid in test to save Earth
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.
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.
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.
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.
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
Japan lifts tsunami alert after strong 7.6-magnitude earthquake hits northern coast
A powerful 7.6-magnitude earthquake struck Japan’s northern coast on Monday, triggering several tsunami waves of up to 70 centimeters, authorities said. The tsunami alert was lifted in the early hours of Tuesday.
According to the U.S. Geological Survey (USGS), the quake occurred at 11:15 p.m. local time (14:15 GMT) off the coast of Misawa, at a depth of 53 kilometers. Japan’s Meteorological Agency (JMA) immediately issued a tsunami warning. The first wave reached a port in Aomori Prefecture at 11:43 p.m. (14:43 GMT), followed by others measuring up to 70 centimeters.
Public broadcaster NHK reported that an employee at a hotel in the city of Hachinohe confirmed that several people were injured. Live footage showed shattered glass scattered across roads, while many residents evacuated to the city hall seeking shelter.
The strong tremor was also felt in Sapporo, where emergency alerts were sent to residents’ mobile phones. A reporter in Hokkaido described a horizontal shaking that lasted around 30 seconds, making it difficult to stay standing.
Before the alert was lifted, the JMA had warned of the possibility of tsunami waves up to three meters high along Japan’s Pacific coast. Government spokesperson Minoru Kihara urged residents to remain in safe areas until the warning was officially lifted.
International
Interior Dept. redefines 2026 Patriotic Days, sparking criticism over removed civil rights holidays
A statement from the Department of the Interior announced that there will be eight designated “patriotic” days in 2026, most of them different from those recognized in the previous two years.
In addition to June 14, 2026—which marks both Flag Day and Donald Trump’s 80th birthday—the calendar includes Presidents’ Day on February 16, Memorial Day on May 5 in honor of U.S. soldiers killed in combat, Independence Day weekend from July 3–5, Constitution Day on September 17, and Veterans Day on November 11, which honors former service members.
Martin Luther King Jr. Day (January 19, 2026) and Juneteenth (June 19)—a holiday commemorating the end of slavery—are typically included among free-entry days but have now been removed.
Critics argue that the changes are designed to promote the president while downplaying the nation’s history of slavery and the civil rights struggle.
“The president didn’t just add his own birthday to the list; he removed the two holidays that commemorate the African American fight for civil rights and freedom. Our country deserves better,” lamented Democratic Senator Catherine Cortez Masto on X.
Starting in 2026, free admission on these eight selected days will apply only to U.S. citizens and permanent residents. “Non-residents will pay the regular entrance fee and the applicable non-resident rates,” the National Park Service (NPS) stated.
The cost of an annual entry pass will rise to $80 for residents and $250 for non-residents. Those without an annual pass will be required to pay $100 per person to enter 11 of the most visited national parks, in addition to the standard entrance fee.
Earlier this year, Trump marked his 79th birthday—which coincided with the 250th anniversary of the U.S. Army—by organizing an unusual military parade in downtown Washington.
The United States has 63 national parks, federally protected areas designated by Congress. Last year, they received more than 330 million visitors.
International
Five laboratories investigated in Spain over possible African Swine Fever leak
Catalan authorities announced this Saturday that a total of five laboratories are under investigation over a possible leak of the African swine fever virus, which is currently affecting Spain and has put Europe’s largest pork producer on alert.
“We have commissioned an audit of all facilities, of all centers within the 20-kilometer risk zone that are working with the African swine fever virus,” said Salvador Illa, president of the Catalonia regional government, during a press conference. Catalonia is the only Spanish region affected so far. “There are only a few centers, no more than five,” Illa added, one day after the first laboratory was announced as a potential source of the outbreak.
Illa also reported that the 80,000 pigs located on the 55 farms within the risk zone are healthy and “can be made available for human consumption following the established protocols.” Therefore, he said, “they may be safely marketed on the Spanish market.”
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