New Worlds | The Search For A New Earth In Distant Space
An international team of scientists says it has discovered two new "super-Earth" type planets about 100 light-years away, one of which may be suitable for life.
2020-01-18 19:00:00 - Welt Documentary
Unlike any of the planets in our solar system, the nearly 1,600 known super-Earths are larger than Earth, but lighter than icy planets like Uranus and Neptune.