Planet that is one astronomical unit from the sun is

Earth

Explanation:

The astronomical unit (AU) was created to represent the average distance between the sun and the earth, and is used to measure distances in space to small to use lightyears, but too large to use kilometers.

answerblank(1); khirbat al-mafjar,blank(2); ostracon.blank(3); //hisham,blank(4),; //lion; blank(5); gazelle;