Will we discover a black hole in our solar system before 2030?
Prediction market on manifold. Resolves to yes if the is a 90% consensus among astronomers that there exists a black hole in the solar system before January 1st 2030. Image credits: https://commons.wikimedia.org/wiki/File:Black_hole_(NASA).jpg
Liquidity: $1,000. Resolves: 1/5/2030.