Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast expanses between galaxies.

There's been a lot of discussion over the years about what the universe is made up of. While some argue that dark matter is holding … The post Astronomers just found the universe’s ‘missing matter’ appeared first on BGR.

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a grand scale. And there is ordinary matter such as gas, dust, stars, planets and earthly things like cookie dough and canoes.