1. Eclipses

2. Eclipses Occur when the position on one celestial object blocks or darkens the view of another celestial object. Occur when the position on one celestial object blocks or darkens the view of another celestial object. The Sun has a diameter 400 times greater than the Moon, but it is also 400 times farther from Earth. Therefore the Sun and Moon appear the same size in the sky. The Sun has a diameter 400 times greater than the Moon, but it is also 400 times farther from Earth. Therefore the Sun and Moon appear the same size in the sky.

3. Solar Eclipse Only the outer atmosphere of the Sun, the corona is visible. Only the outer atmosphere of the Sun, the corona is visible. To view the total eclipse you need to be within the lunar shadow path which is only a few dozen kilometers wide. To view the total eclipse you need to be within the lunar shadow path which is only a few dozen kilometers wide. Always view solar eclipses with a solar filter or by projection, the rays from the Sun will damage you eyes. Always view solar eclipses with a solar filter or by projection, the rays from the Sun will damage you eyes.

4. Solar Eclipse

5. Lunar Eclipse The Moon passes through Earth’s shadow. The Moon passes through Earth’s shadow. It may be viewed anywhere on Earth when the Moon is visible. It may be viewed anywhere on Earth when the Moon is visible.

6. Lunar Eclipse

7. Why the colour? Lunar eclipses can appear orange or red due to the refraction of sunlight as it passes through Earth’s atmosphere. (Think sunsets.) Lunar eclipses can appear orange or red due to the refraction of sunlight as it passes through Earth’s atmosphere. (Think sunsets.)

8. Homework Eclipses worksheet. Use text pg 325-326. Eclipses worksheet. Use text pg 325-326. Lost on the Moon – Group of 4 – Choose your group’s rank for each item together, rank your own choice individually. Lost on the Moon – Group of 4 – Choose your group’s rank for each item together, rank your own choice individually.