The moon’s south pole is designated as the location for the future China-led International Lunar Research Station (ILRS). It is a bold move, as the US also has ambitions to establish bases at the moon’s south pole – the Shackleton crater is prime real estate.

How astronomers work out the size of our solar system

Source: space
Source Link: https://www.space.com/the-universe/solar-system/how-astronomers-work-out-the-size-of-the-solar-system