Using the information from example 28.1, how much fainter an object will you have to be able to measure in order to include the same kinds of galaxies in your second survey? remember that the brightness of an object varies as the inverse square of the distance.

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

powerful computers now, not then

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