The text is a transcript of an episode from the animated series Winx Club, where a group of fairies try to find the last fairy on Earth and protect her from the evil Wizards of the Black Circle. They also open a pet shop and deal with their boyfriends who come to help them secretly. The episode features magic, music, romance and action.
Here are the key facts extracted from the text:
1. The Korea Superconducting Tokamak Advanced Research (KSTAR) facility achieved a nuclear fusion reaction at over 100 million°C for 30 seconds.
2. The temperature achieved is nearly seven times hotter than the core of the Sun.
3. The experiment demonstrated that nuclear fusion is moving from being a physics problem to an engineering one.
4. The core of the Sun has a temperature of close to 15.7 million Kelvin.
5. The surface temperature of the Sun is approximately 5800 K.
Please note that these facts are based on the search results provided and should be verified for accuracy with reliable sources.