Galileo Galilei was an Italian astronomer and one of the first scientists in proposing a heliocentric theory during the 17th century.his theory stated that the Sun was the center of the Solar System and the Earth revolved around it. His theory was controversial because the religious authorities believed the earth is God's important creation and was the center in the Universe and the Sun and moon revolved around the planet. Due to his theory, Galileo was judged and spent the rest of his life under house arrest.
Galileo's heliocentric theory caused great controversy during the scientific revolution because it challenged what the church said was true and it challenged the writings of past astronomers
Angel Island Immigration Station (San Francisco). The great influx of immigration took place mostly in the early 1900s where Ellis Island and This Immigration station were busiest and largest. The needs were different on the west coast than on Ellis Island. Mining rails were the most common industries needing help from Immigrants.
