![Alien Worlds Explained: From Rogue Planets to Super-Earths [INFOGRAPHIC]](https://helios-i.mashable.com/imagery/archives/015idfXaOT6FCLFzY9bdyvh/hero-image.fill.size_1248x702.v1647020467.jpg)
But what other planets have scientists encountered in the depths of our galaxy, the Milky Way? Besides the huge gaseous giants, similar to our Jupiter and Neptune, and Super Earths, such as the newly discovered Kepler 22-b, there are the mysterious Cthonian Planets, former gas giants that have lost their atmosphere, and Water Worlds, Super-Earths submerged in vast oceans of water.
Of course, scientists have only searched through a tiny fraction of our galaxy, and with the fast advances in technology, we can expect many more interesting discoveries in the future. For now, check out the handy infographic below, courtesy of Space.com, displaying all known types of alien worlds.
[img src="http://www.space.com/images/i/13684/i02/exoplanets-alien-worlds-111205d-02.jpg?1323122895" caption="" credit="" alt="Learn about the weird kinds of alien planets that orbit other stars in this SPACE.com infographic."]
Source: SPACE.com: All about our solar system, outer space and exploration