An astronomical unit (au) is the distance between the sun and the earth. how far is an au in km? many earths could fit between the earth and the sun? how far is jupiter from the sun (in au)? pluto? how many times farther from the sun is pluto than jupiter? how much bigger is the disk of the milky way galaxy compared to the size of the 2. how big is an au compared to the diameter of the earth? that is, approximately hovw 3. 4. 5. (farthest reaches of the) solar system? 6. how far away is the andromeda galaxy? express your answer in at least two types of units. 7. how much bigger is a typical person than a typical atom| 8. approximately how many milky way disks could fit betwe%(ctrl-nd andromeda?