The text appears to be a narration of various historical and scientific
Here are the key facts extracted from the text:
1. Scientists in South Korea achieved a stable nuclear fusion reaction at 100 million°C for 30 seconds in September 2022.
2. The core of the Sun has a temperature of 15 million kelvins and a density of 150 g/cm3.
3. Mexican astronomer Jose Bonilla observed 447 objects crossing the Sun in August 1883, which were later hypothesized to be fragments of a comet that nearly collided with the Earth.
4. An asteroid or comet exploded over Siberia in June 1908, flattening 80 million trees in an area of 2,000 square kilometers.
5. A US early warning system on Greenland mistook the rising moon for a Soviet missile attack in October 1960.
6. A US B-52 bomber carrying two hydrogen bombs crashed in North Carolina in January 1961, and one of the bombs came close to detonating due to a faulty safety switch.
7. The Cuban Missile Crisis in October 1962 was a tense standoff between the US and the Soviet Union over the installation of nuclear missiles in Cuba and Turkey, which almost escalated into a nuclear war.
8. A Soviet submarine captain ordered to launch a nuclear torpedo against a US destroyer during the Cuban Missile Crisis, but was dissuaded by one of his senior officers.
9. A powerful solar storm knocked out military communications and radar systems across the US in May 1967, which could have been mistaken for a Soviet attack.
10. A 300 meter wide asteroid passed through the Earth's orbit six hours after the Earth had moved away from that position in March 1989.
11. A coronal mass ejection from the Sun in July 2012 missed the Earth by nine days, which could have caused widespread power outages and damage to electronic devices if it had hit the planet.
12. The US military has had over a thousand close calls with nuclear weapons since the 1950s, according to declassified documents.
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