This is a summary of the text:
The text is a rap battle between characters from Marvel and DC comics, where they insult each other and boast about their powers, skills and achievements. Each verse is spoken by a different character, such as Captain America, Iron Man, Wonder Woman, Thor, Spider-Man, Hulk and others. The rap is full of references to the comics and movies of both franchises, as well as some pop culture and political references. The rap is fast-paced, aggressive and humorous.
Here are the key facts extracted from the text:
1. A Korean nuclear fusion reactor achieved 100 million°C for 30 seconds.
2. The experiment demonstrated that nuclear fusion is moving from a physics problem to an engineering one.
3. The core temperature of the Sun is close to 15.7 million Kelvin.
4. The surface temperature of the Sun is approximately 5800 Kelvin.
Please note that these are based on the information provided in the text and should be verified for accuracy.