Home FranceA meteorite launched at a speed of 68,000 km/h caused “cosmic thunder” in the United States: almost 300 tons of TNT in 1 second

A meteorite launched at a speed of 68,000 km/h caused “cosmic thunder” in the United States: almost 300 tons of TNT in 1 second

by OmarAli
A meteorite launched at a speed of 68,000 km/h caused “cosmic thunder” in the United States: almost 300 tons of TNT in 1 second

The difference between a fireball and a meteor is that the former are larger and more spectacular. Zeus Valtierra Zeus Valtierra Meteora in Mexico 06.29.2026 09:02 7 min.

A few weeks ago, on May 30th, at 2:00 p.m., residents of New England in the northeastern United States were both fascinated and alarmed. when the fireball crossed the Earth’s atmosphere over this region.

The meteoroid had a diameter of just over 1.5 meters and an estimated mass of 5.6 tons. Experts estimate that it entered the atmosphere at a speed of 19 kilometers per second, or just over 68,000 km/h, at an angle of about 73 degrees.

It traveled more than 42 kilometers, entering from the northwest and then heading southeast. It eventually broke apart at an altitude of about 50 kilometers, in the mesosphere. Its explosion released energy equivalent to 300 tons of TNT, or about 2% of the power of the atomic bomb dropped on Hiroshima.

This atmospheric explosion generated a shock wave which resulted in a deafening double supersonic impact. The explosion shook houses and windows and was heard by residents from Delaware to Montreal.

Although some witnesses initially believed it was an earthquake, seismic networks quickly confirmed that the event was purely atmospheric. Scientists have calculated that if he fell to the ground, it would have created a crater about 200 meters in diameter and would have caused significant damage in the impact area.

Exceptional event

Although some videos were recorded from New York and Vermont, direct observations in the fragmentation zone were almost impossible due to very cloudy and rainy skies. On the other hand, satellite networks and ground-based radars have made it possible to reconstruct the trajectory and characteristics of this impressive vehicle with great accuracy.

Cape Cod Bay, in Provincetown (Massachusetts), where the car landed on May 30, 2026.Cape Cod Bay, in Provincetown (Massachusetts), where the car landed on May 30, 2026.

Thanks to its Lightning Mapping (GLM) tool, NOAA’s GOES-19 weather satellite recorded a thermal flash caused by the explosion. Thus, he recorded a light anomaly during a storm that was unable to produce lightning.

Immediately after the explosion, the surviving fragments entered a phase known as “dark flight” (dark flight), during which they were tracked by NEXRAD weather radars. From this data, NASA determined the impact zone in the center of Cape Cod Bay. humorously calling this phenomenon a “fish tentacle.”

A meteorite launched at a speed of 68000 kmh caused

The data also showed that the meteoroid had high mechanical strength, corresponding to a density of approximately 8,000 kg/m³. This indicates that it was iron meteoritealmost of them 10% massor approximately 560 kgwould have survived the explosion. The fragments could reach the seabed in pieces weighing from a few grams to more than two kilograms.

Challenging recovery on Cape Cod Bay

Iron meteorites have a strong magnetic field and Cape Cod Bay not exceeding a depth of approximately 34 meters in the affected area, their restoration is theoretically possible using neodymium magnets. Astrophysicist Avi Loeb called this research a “fishing expedition.”

However, in reality the operation promises to be very difficult. According to oceanographers at the Woods Hole Oceanographic Institution, the bay is cluttered with thousands of lobster traps and mooring lines. The use of magnetic survey equipment can cause damage to these installations, which will incur significant costs and lead to conflicts with fishing professionals.

The trajectory of the fireball, as well as the position of the fragments that came off during its explosion.The trajectory of the fireball, as well as the position of the fragments that came off during its explosion.

In addition, seawater, rich in oxygen and chlorides, causes severe corrosion of metal alloys. it doesn’t work and from talent of which iron meteorites are made. If the fragments are not recovered quickly, they will gradually oxidize until they become terrestrial minerals, losing much of their scientific interest. The good news is that they pose no risk of polluting the bay ecosystem.

Historical and scientific context

In Massachusetts To date, only two meteorites have been officially included in the list: meteorite Northamptona small iron meteorite of the octahedrite type, discovered in 1963, and a meteorite Barnstablean ordinary chondrite of type H4, found in 2018 among blueberry bushes.

Another suspected impact was recorded in 2025 on a house in Gloucester. The object would have penetrated the roof of the house and left behind rocks that emitted a sulfur odor. Although some experts consider this hypothesis plausible, it has not yet received official confirmation. Main asteroid belt 4547 Massachusetts is simply named after the state and has no physical connection to these impacts.

1782743408 716 A meteorite launched at a speed of 68000 kmh caused

The overwhelming majority of cases found in Massachusetts are so-called “space rocks.” turn out to be pseudometeorites or slag from old foundries. Although they are often magnetic, they contain cavities or bubbles of gas that are not found in true meteorites.

This event marks a major breakthrough in scientific research in Massachusetts. It illustrates the progress of modern monitoring systems, which can predict with great accuracy where a meteorite will fall by combining observations from weather satellites and ground-based radars before the fragments reach the ground.

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