Test #1 Objectives: 1

Question 1

4 Proofs the Earth is spherical?

Answer 1

1. Objects, boats, fall below the horizon on a curved Earth.
2. Lunar eclipses cast circular shadows
3. Voyage of Magellan came back, didn’t fall off the Earth, and told the tale.
4. Pictures from space.

Question 2

Origins of the days of the week?

Answer 2

The seven heavenly bodies, wandering to a fixed background.

the other planets

Question 3

Explain: Paralax

Answer 3

The illusion of an object’s changing position, because of the perceives change in position.

Question 4

Explain: Geocentric

Answer 4

Earth centered solar system

Question 5

Explain: Heliocentric

Answer 5

Sun centered solar system

Question 6

Explain: Retrograde Motion

Answer 6

When a planet is perceived to go backwards because the perceiving planet is going faster, and passes the planet.

Question 7

Earths diameter?

Answer 7

8000 miles

Question 8

Kepler’s Law 1

Answer 8

Each planet orbits the the Sun in an elliptical path

Question 9

Eratosthene’s Contribution

Answer 9

Earth’s size

Question 10

Copernicus’ Contribution

Answer 10

Started the modern revolution of astronomy, and his 3 proposals

Question 11

Copernicus’ 3 Proposals

Answer 11

1. Stars are stationary
2. The Sun is the center of the Solar System
3. Seven Heavily Bodies move in perfect circles

Question 12

Galileo’s Contribution

Answer 12

The telescope

Question 13

Kepler’s Contribution

Answer 13

His laws

Question 14

Tycho’s Contribution

Answer 14

The great observer, and accurate obstervations