From the top of a roller
coaster, 60 yards above the ground, a rider
looks down and sees the merry-go-round and
the Ferris wheel. If the angles of depression are
11° and 8° respectively, how far is the rider
from the merry-go-round? How far is the rider
from the Ferris wheel?

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?