According to the copernicus, the first duty of the astronomer is observation.
What did Copernicus believe?
Nicolaus Copernicus (1473–1543) was a mathematician and astronomer who proposed that the sun was stationary in the center of the universe and the earth revolved around it.
How was Copernicus theory proved?
- Galelio discovered evidence to support Copernicus' heliocentric theory when he observed four moons in orbit around Jupiter.
- Beginning on January 7, 1610, he mapped nightly the position of the 4 “Medicean stars” (later renamed the Galilean moons).
Learn more about Copernicus here:
brainly.com/question/9329429
#SPJ4
The layer of air that lies closest to earth is called the stratosphere.
Answer:some people loved it, some people hated it, some people just wanted to help the black people
Explanation:
The correct answer is letter C
All cells have a structure called a plasma membrane, which acts as a barrier to prevent both the exit of cell content into the medium and the flow of any particle into the cell. This characteristic therefore shows an important ability to select the structure, which can vary from 7 to 10 nm in thickness.
it was about the twin towers getting collapsed it was basically about 9 11
