The series premiered on demand on November 23, 2015, and on Syfy on December 14, 2015. A 13-episode second season premiered on February 1, 2017. In March 2017, Syfy renewed The Expanse for a 13-episode third season to air in 2018.
Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian.
Zeta Persei is a star in the northern constellation of Perseus. With an apparent visual magnitude of 2.9, it can be readily seen with the naked eye. Parallax measurements place it at a distance of about 750 light-years from Earth. This is a lower luminosity supergiant star with a stellar classification of B1 Ib. This is an enormous star, with an estimated 26â27 times the Sun's radius and 13â16 times the Sun's mass. It has about 47,000 times the luminosity of the Sun and it is radiating ...