By A Mystery Man Writer
Is there any chance that aliens could be living in other dimensions? - Quora
Alien Life In The Multiverse - Are We Living In A 'Rare Universe'?
This Is Why Some Galaxies Have A Green Glow, Even Though There Are No Green Stars
Hubble's best shots: The Antennae Galaxies – Physics World
Green With Envy: Why Green Galaxies Are So Rare
The Search for the Most Distant Galaxies in the Universe
Is There Anything In The Universe Bigger Than A Galaxy?
This Is Why Some Galaxies Have A Green Glow, Even Though There Are No Green Stars
Rare 'green pea' galaxy may be the most 'chemically primitive' galaxy ever discovered
Rare Green Galaxies Provide Insight to Ancient Universe – Project Yourself