- C. S. Lewis
- Arthur Holmes, 1913
- Ian D. Bush
- Arthus Eddington
Milky Way Galaxy
History of Stars
Characteristics of our solar system
to find out where all the beauty came from.
It is perhaps a little indelicate to ask our Mother Earth her age,
but Science asknowledges no shame and from time to time has boldly
attempted to wrest from her a secret which is proverbially well guarded.
Twinkle, twinkle little star
I don't wonder what you are,
For by spectroscopic ken,
I know that you are hydrogen.
Not only is the universe stranger than we imagine, it is stranger than we can imagine.
Concepts:
Doppler Effect (applied to light)
red shift
Big Bang (14.7 billion years ago)
blue shift
Sun-sized star
Nebula
Large star
Protostar
Sequence Star
Red Giant
Neutron Star (pulsar)
nova - supernova
black hole
Explanation - Nebula Hypothesis
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