1. 1._____began from a nebula that was disturbed (big bang) 2._____observed the phases of Venus (astronomers) 3._____theory of the sun centered view of the solar system (astronomers) 4. _____causes day and night, winds and currents to curve (rotation and revolution) 5._____forms off the west coast of Africa over warm ocean water Do Now

2. 1.What is a lunar eclipse ? 2.What is a solar eclipse?

3. 18.2 Lunar eclipses A lunar eclipse occurs when Earth’s shadow falls on the Moon. Earth is between the sun and the moon Occurs only on a full moon.

4. 18.2 Lunar eclipses A lunar eclipse can be total or partial and all observers on the dark side of Earth can see it at the same time. A partial eclipse occurs when only part of the Moon falls in Earth’s shadow.

5. A solar eclipse occurs when the Moon’s shadow falls on Earth. Moon is between the Earth and the sun Only occurs on a new moon

6. 18.2 Solar eclipses

7. A total solar eclipse is caused by the Moon’s shadow blocking out the Sun. The Sun is completely blocked by the Moon’s shadow for about two or three minutes.