Space on MSN3 天
NASA's next-gen Nancy Grace Roman Space Telescope gets its powerful eye (photos)
The optics for NASA's Nancy Grace Roman Space Telescope have been delivered, marking a big milestone in the assembly of the ...
BBC6 年
Star system has record eight exoplanets
Artwork: the Kepler-90 system is the first to tie with our Solar System in number of planets Nasa has found a distant ... Some 3,500 exoplanets - worlds circling other stars - have been documented ...