资讯

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three ...
Sgr A* is about 26,000 light-years from Earth ... the closest known supermassive black hole from beyond the Milky Way was the one inside the Andromeda galaxy, about 2.5 million light-years ...
The Mombasa–Nairobi Standard Gauge Railway (SGR) has revolutionized Kenya's transport sector, providing a quicker and more ...
Inside one of the 20 business class coaches flagged off yesterday in Mombasa. [Kelvin Karani, Standard] Passengers traveling by Standard Gauge Railway (SGR) from Mombasa to Nairobi will pay Sh12 ...