Dark matter is a dangerous type of matter that 80% of the universe is made of and can end the universe. There are 3 types of dark matter. If dark matter has a value of -1, the universe will collapse on itself and squish all the galaxies into a smaller area,then a super massive black hole will suck up all the planets and explode from the massive amount of mass.If, dark matter had a value more than 1, the universe will stop
expanding(dark matter multiplies) and will densify all other matter
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