Week 4:

Was Absent for Lab:

Discussion: 

There is no planet to live on once earth is destroyed. 

 

If the moon is on the eastern horizon, where would the sun be if it was a full moon? 

• Western horizon  

 

What was the Big Bang?  

• Creation of atomic structure  

• Creation of time, space, temp... etc  

• 13.7 Billion years ago  

• Expansion not an explosion  

 

Alternate Theory's  

 

Steady State Universe:  

• Continuous creation of matter 

 

Eternal Inflation:  

• Multiverses  

• Like spiderman  

 

Oscillating Universe:  

• An endless series of big bangs, like a cycle 

 

Where did the earth come from? 

 

Created 4.65 billion years ago – NOT IN THE 
BIG BANG. 

Dust and debris – most likely from a former star 
that exploded. (supernova) 

Disk like creation where sun gobbled up 99.84% 
of all mass. 

You are STAR dust 

 

 

Formation of the Earth 

1. Plane of the Ecliptic  

2. All planets and asteroid belt in the same plane 

3. Related to the disk 

4. Formation of the Universe – 13.73 Billion years 
   ago 

5. Formation of the Earth – 4.65 Billion years ago 

6. Our sun is a middle to small size sun and will last 
   around 10 billion years.