1. If all heavy elements like silicates found in rocks, calcium, oxygen, nickel,
ID: 117450 • Letter: 1
Question
1. If all heavy elements like silicates found in rocks, calcium, oxygen, nickel, gold, etc. were formed in massive stars and their explosions AND the Earth was made at about the same time as the Sun, then how did those heavy elements get in/on Earth and in us? (5 pts)
2. What are the two observed facts that Einstein based special relativity upon? Explain them in your own words. (4 pts)
3. What are the two observable weird things that occur at relativistic speeds? Describe how these properties change when you view someone in a fast rocket? How would these properties appear to that person in the rocket? How would the same properties appear to the person in the rocket looking at the person on Earth? (6 pts)
4. How is a gravitational redshift different from a Doppler shift? (5 pts)
Explanation / Answer
1. If all heavy elements like silicates found in rocks, calcium, oxygen, nickel, gold, etc. were formed in massive stars and their explosions AND the Earth was made at about the same time as the Sun, then how did those heavy elements get in/on Earth and in us:
2.the two observed facts that Einstein based special relativity :
explaination:
3. two observable weird things that occur at relativistic speeds:
4. gravitational redshift different from a Doppler shift:
yes,gravitational redshift is different from a Doppler shift.
gravitational redshift:
doppler shift:
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