Cost Advantage. Collective trusts can operate with lower compliance costs than mutual funds for two reasons. First, because the institution is offering the investment to a large number of employees, they can negotiate a lower cost due to the higher supply of money they are providing.
You can absolutely see the earth's curvature if you're at altitude, particularly over the ocean in a plane. At sea level, you can only see about 3 miles. The average angle of human vision is somewhere between 120Âº and 140Âº; more if you count the whole image your brain builds up as your eyes move. The curvature of the horizon can be found with:
A ballpark estimate puts the lowest point of the exosphere around 500-1,000 km above the Earth's surface. The outer limit of the exosphere is difficult to define as well. Sometimes the outermost area is defined as a place where hydrogen atoms can still be detected as a glow of scattered UV rays. This region is called the geocorona.