Question

mark whether or not each relates to the copernicus model or not
a earth is fixed in a crystalline sphere
b the sun is the center of the solar system
cthe earth is the center of the solar system
dthe planets move in perfect circles
e the staars are fixed to an outer sphere





dont get this wrong

Answer 1

Here's the classification for each statement regarding its relation to the Copernican model:

a. **Earth is fixed in a crystalline sphere** - **Not related** (This concept belongs to the Ptolemaic model, not the Copernican model).

b. **The sun is the center of the solar system** - **Related** (This is a fundamental aspect of the Copernican model, which posits that the Sun is at the center and the planets orbit around it).

c. **The earth is the center of the solar system** - **Not related** (This is a characteristic of the Ptolemaic model, which places Earth at the center).

d. **The planets move in perfect circles** - **Not entirely related** (While the Copernican model introduced heliocentrism, it still retained the idea of circular orbits, although later developments would correct this idea to elliptical orbits).

e. **The stars are fixed to an outer sphere** - **Not related** (This concept aligns with the Ptolemaic model, which placed stars on a celestial sphere).

In summary:
- a: Not related
- b: Related
- c: Not related
- d: Not entirely related
- e: Not related