Ecsi exam prep chap 2 - Study guides, Class notes & Summaries

researchers keep the lhc going to ? - correct answer their model says that over billions of years galaxies were shaped by gravity ,and we know that gravity is caused by matter ,there are many observations that don't fit with this model of the universe ,cause it looks like the visible matter in the universe doesn't provide enough gravity to shape it. so scis suggest that there must be matter that is not visible which is called - correct answer ...