Sentences with phrase «known galaxies alone»

Zemcov et al. sent up a rocket to measure the fluctuations in this faint background and found largescale fluctuations greater than known galaxies alone should produce (see the Perspective by Moseley).

Not exact matches

I know our place in the Universe is nothing special, I know there are at least 60 billion other planets in our galaxy alone.

There are hundreds of billions of stars in our galaxy, each with planets, that large of a number even if a tiny fraction had an atmosphere and even if a fraction of them had water (as we know it is required, but life may not require it on other planets) it would be amazing if there wasn't a carbon based lifeform somewhere else in our galaxy, let alone in the universe with billions of galaxies each with billions of stars and trillions of planets.