Make a timeline that explains how the solar system was modeled. The following points should be included.
1. Names of all the scientists and astronomers involved.
2. Describe what each scientist proposed and whether his theory was accepted or no with justification.
3. All dates and years

The Most Famous Astronomers of All Time

The Most Famous Astronomers of All Time. Karl Tate, SPACE.com

Claudius Ptolemy. Bartolomeu Velho, Public Domain

Nicolaus Copernicus. Public Domain

Johannes Kepler. NASA Goddard Space Flight Center Sun-Earth Day

Galileo Galilei. NASA

Isaac Newton

Christiaan Huygens

Giovanni Cassini

More formally, a scientific theory is a system of constructs (concepts) and  For example, students who do poorly in exams do so because they did not spend were previously discussed in Chapter 2, we describe them again here for the sake of  If some of these “building blocks” of a theory are inconsistent with each other.

hope it right this time but sorry i don't know the quetion 3

question

which are human systems?

the amazon rain forest

the appalachian trail

the george washington bridge

the himalayas

the hoover dam

the north american free trade agreement

20: 5

explanation:

about 20% of the world's population lives in   southwest asia, but on less than 5% of the world's   land area.