Chapter 28 Sun Earth Moon System

1. Astronomy Unit Earth & Space Science Sandwich High School by Annie Cloutier copyright 2011

4. Light from the Sun & the Spinning on its axis are the two most important factors for stabilizing the temperature on Earth

6. The Sun’s Radiation Heats Earth

7. Light is electromagnetic radiation = electromagnetic spectrum > visible light infrared, ultraviolet radiation, microwaves, radio waves, X rays, gamma rays

8. Interferometry process of connecting separate telescopes together so they act as one telescope Greater detailed images increases as the distance between them increases Very Large Array Socorro, New Mexico these reflect radio waves to focus above dish then a receiver converts radio into electrical signals to store in a computer

9. Technology expanded the capabilities of humans to observe nature. Telescopes help us observe subject in astronomy with greater detail. More light can be collected by huge telescopes. Interferometry is the process of linking separate telescopes together= produce greater details combining images into one Photography and computers have help immensely too.

11. APOLLO Program 1969 NASA was responsible for landing humans on the Moon Neil Armstrong astronaut “small step for man, a giant leap for mankind” Buzz Aldrin Michael Collins

12. The Moon is about 3.8 – 4.6 BYBP Impact craters formed when objects (meteorites) crashed into the lunar surface. e jecta is the material blasted out of the impact crater The Moon was heavily bombarded the first 800 million years forming r egolith > a powdery loose ground up rock on the surface of the Moon Highlands are Moon mountains Maria is a “sea” of dark volcanic plains on the Moon

14. Lunar Eclipse Sequence

15. Umbra the shadow Perigee closest point Moon comes to Earth Apogee farthest point Moon comes to Earth

20. Pluto considered a Dwarf Planetoid no longer considered a planet Half ice / half rock . Smaller than the Moon.

21. Scale of the Planets to the Sun

23. Big Bang Theory proposed that the universe began as a single point and has expanded ever since.

24. The End