1. Stars, Planets, and Moons
Cornell Notes Page 73

2. the Sun is our closest star a massive sphere of gas
Stars
the Sun is our closest star
a massive sphere of gas
so much pressure from its own gravity, nuclear fusion takes place- this creates “sunlight!”
Hydrogen Helium

3. Electromagnetic Radiation (energy emitted through space as particles or waves)
Mostly visible light, UV light, and infrared, some radio and microwaves.
Most X-rays and Gamma rays are absorbed by earth’s atmosphere (don’t reach surface)
Sunlight

6. Planetary Nebula

14. To scale or not to scale?

15. Planets
body that revolves around a star
large enough to be rounded by own gravity
has cleared an orbit for itself

16. Planets
body that revolves around a star
large enough to be rounded by own gravity
has cleared an orbit for itself- Pluto has debris in its path- not a true planet!

17. Solar System on a Sentence Strip
Please follow along with me!

18. Our Solar System
Cornell Notes page 79

19. 8 planets revolve around our sun, as well as many other celestial bodies
Heliocentric
Our Solar System

20. 4 Inner Planets
Mercury, Venus, Earth, Mars
“Terrestrial Planets”
Small, dense, rocky

21. Asteroid Belt
Between Mars and Jupiter
Many irregularly shaped bodies called asteroids and minor planets

23. 4 Outer Planets
Jupiter, Saturn, Uranus, Neptune
Very Large
“Gas Giants” and “Ice Giants”

26. Pluto
Originally the 9th planet
Located in the Kuiper Belt- (similar to the asteroid belt but objects are small and icy) along with Eris, another dwarf planet.

28. Charon- Pluto’s big moon