New solar system presentation
8.2 Exploring the Sun Homework: page 340 # 2, 3, 5, 7, 9.
1st Step: –Stars form from nebulas Regions of concentrated dust and gas –Gas and dust begin to collide, contract and heat up All due to gravity.
Plate Tectonics The grand unifying theory of Geology Plate tectonics controles Distributions of geologic materials and resources (e.g., Minerals, Energy,
TOPIC: Astronomy AIM: What are stars?. Star Ball of gases that gives off light and heat.
Formation of our solar system: The nebular hypothesis (Kant, 1755) Hydrogen (H), He (He) and “stardust” (heavier elements that were formed in previous.
Characteristics of Stars. Elements in Stars 99% Hydrogen (H) and Helium (He) 1-2% Oxygen, Carbon, Nitrogen, Calcium Sun is 70% Hydrogen and 28% Helium.
Life Cycle of Stars. 1st Step: –Stars form from nebulas Regions of concentrated dust and gas left from the BIG BANG (or other stars’ demise) –Gas and.
Galaxies and Stars. The Milky Way The galaxy we live in is called The Milky Way. It is disc- shaped.
Solar Nebula Hypothesis. Recall… Stars form within a large cloud of dust and gas called a nebula. The core of the nebula collapses inwards due to gravity,
Chapter 26 Part 1 of Section 2: Evolution of Stars.
“How Did Our Solar System Form?” Ch. 29.4. Space is not really empty. There is gas and dust in between the stars. This gas is mostly hydrogen, left over.