Download presentation
Presentation is loading. Please wait.
Published byBarbra Dayna Clark Modified over 9 years ago
1
Schishuney / fishing place with a pole / Waldron Island Dusk o’ June, MMIX Jelte Harnmeijer Center for Astrobiology & Early Earth Evolution University of Washington / National Aeronautical and Space Administration L i f e
2
- Gratitude in a Word - “Dhanje-bhat”
3
- Science | Religion, Truth & Method -
4
- Space, Time & Consciousness -
5
- Geological Time -
6
- The Birth of our Home, Earth -
7
(A) Isua (3.8 Ga) (B) Pilbara (3.5 Ga) (C) Barberton (3.5 Ga) - The Oldest Rocks -
8
you - And what of Life? -
9
-Entropy –
10
- Organization –
11
- Order –
12
- Complexity –
13
dS dt dS is the incremental change in Entropy dt is the incremental change in time 0 -The Second Law of Thermodynamics – “Entropy in the Universe always increases”
14
Nutrients Waste products Low EntropyHigh Entropy - Life is a Struggle against Entropy –
15
Low EntropyHigh Entropy Nutrients Waste products - Life is a Struggle against Entropy –
16
- Death –
17
- Isotopes – Example: Carbon 12 C 13 C proton neutron ‘ light’ ‘heavy’ Negative δ 13 C = mostly ‘light’ carbon Positive δ 13 C = mostly ‘heavy’ carbon
18
CO 2 + H 2 O -> O 2 + CH 2 O - Biosynthesis –
20
- Let’s get back to the rocks! –
21
- Australia –
25
- Greenland –
29
- Carbon Isotopes –
30
- An Unexpected Surprise –
33
- Fossils (!) –
35
{e-mail}Jelte.Harnmeijer @ gmail.com {blog}http://www.realfuture.org - Please stay in touch -
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.