9_7_07 - NATURAL DISASTERS Earth Concentrates Energy...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
NATURAL DISASTERS 9/7/07 Earth Concentrates Energy Extreme Release of Energy Creation of the Universe (Big Bang) - 15 Ba. - All matter & energy at a single point, expands violently - -Theory: Universe will expand to the point where it reaches its maximum, then will start to contract - -“Red Shift”- Similar to Doppler Effect (pitch/volume seems to change according to distance), Light does the same thing- shifts towards the red end of the spectrum. We’ll know the universe is beginning to collapse when light begins to shift towards blue end of the spectrum (The Big Crunch)- has supposedly happened 7 times in the past Milky Way Galaxy (200-400 billion stars) - Flat spiral - Two Arms - 100,000 Light years - Flattened disc with central bulge - Slowly rotating - We are 3/5ths of the way out of one of the arms Solar System - 1 st Generation star exploded - Nebular cloud collapsed - The asteroid belt= a failed planet - Sun- Second Gen. star Earth - Terrestrial (vs. Jovian) - Unique- free (liquid) water
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course ENV 114 taught by Professor Cole during the Spring '08 term at Northeastern.

Page1 / 2

9_7_07 - NATURAL DISASTERS Earth Concentrates Energy...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online