In 1848, James Marshall was building a lumber mill in northern California for his employer, John Sutter. One January morning, Marshall spotted sparkling pebbles within the mill's outflow; Sutter and ...
The lunar south pole is emerging as a critical destination for international space exploration, driven by the prospect of discovering water resources and advancing scientific understanding, all ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results