When people look through a telescope, air currents in the earth’s atmosphere can distort the images they see. in the 1950s, a scientist named h. w. babcock thought of a way to reduce this distortion by using a special device within the telescope. however, this device was not used until the 1990s. which best explains why babcock’s idea took many years to become a reality?

Scientific ideas often have to wait until advancements in technology make the ideas possible.

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada