Many of the stars cannot be seen because they are too far aw

sth is far away from us
某物距离我们很远 〔from ...表示距离,客观的．科学描述〕
sth is far away to us
某物对我们来说太遥远了．〔to...表示说话人的主观意见,别人可能觉得不远〕
the dish is too spicy to me (对我来说这菜太辣了)