There's a planet next door... but discovered by someone else 门口就一个行星，让别人发现了

Look at the little copper planet！ It's 2 boxes away from my planet！ But I missed it……
So sad！
How should I proceed with the game?

看旁边那个铜矿星星，在我旁边两格的地方，居然被别人占了。
太惨了！

这种情况还怎么玩？