The star is 25 times larger than the Sun, suddenly disappearing, causing astronomers to be confused

This super-big star is 22 light years from Earth. The Hubble Space Telescope may have seen it clearly in 2007. By 2015, this super-large star suddenly disappeared without cause, causing astronomers to be confused.

1. Discovering a "super-Earth" can appear to live just 21 light-years away
2. Detects the hottest outer planet in the universe, with temperatures up to 4,327 ° C

The researchers hypothesize that the superstar may have turned into a black hole and is called a supernova.