M_W_Chapter_19-1_Earth_in_Space_short

M_W_Chapter_19-1_Earth_in_Space_short - Geologictimescale

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Geologic time scale See the file on Moodle under study guides  for list of names and ages you should know
Background image of page 1

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

View Full DocumentRight Arrow Icon
Precambrian Longest part of Earth History Chapter 1, p. 12-18 Chapter 19 We shall split this material into the following files Origin of the Earth and Solar System (File 19-A) Archean and Proterozoic(File 19-B) Precambrian Atmosphere, Life, etc. (File 19-C)
Background image of page 2
Origin of the Earth and Solar  System (File 19-A) Main source – Chapter 1, p. 12-18
Background image of page 3

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

View Full DocumentRight Arrow Icon
The BIG questions: What is the origin of the universe? How common are planets around other stars? Is there life elsewhere in the solar system or universe? If  not, why is Earth special? Is life rare, usual, or even unique? The Origin of the Universe
Background image of page 4
“Big Bang” theory: universe  originated about 13.7  billion years ago Based on Einstein’s theory of relativity: E = m c 2 Mathematical Model Observations seem to fit The Origin of the Universe
Background image of page 5

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

View Full DocumentRight Arrow Icon
Origin of the Universe Matter as we know it did not exist at the time of the Big Bang, only pure  energy. Within one second, the 4 fundamental forces were separated gravity   electromagnetic force  - magnetic field associated with electric field  strong nuclear force  - binds protons and  neutrons in nucleus weak nuclear force  - radioactivity
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 25

M_W_Chapter_19-1_Earth_in_Space_short - Geologictimescale

This preview shows document pages 1 - 7. Sign up to view the full document.

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