China’s Chang’e 5 orbiter is expected to reach a point in space where it will be able to observe the sun in the middle of March, according to state media.The spacecraft, which separated from the capsule that carried lunar samples back home last month, is heading towards a sun-Earth Lagrange point, about 1.5 million km from the Earth.Lagrange points – named after the Italian-French mathematician Josephy-Louis Lagrange – are positions in space where the gravitational pull of two large masses is…

This post was originally published on South China Morning Post.