A selftest in basic astronomy, everyone on earth should know this. 1. calculate the Schwarzchild radius of our sun 2. what happens when a star of 3 solar masses dies? 3. what are typical weight and diameters of a blue giant, yellow giant, red dwarf, white dwarf and neutron stars? 4. what does the "fuzzball" theory imply? 5. how much of the mass in the universe do we find in atoms? 6. what happens when a star starts burning its iron? 7. what is a parallax? 8. explain the pros and cons of ionic propulsion 9. what is Oorts cloud? 10. What glues together quarks? 11. what did Edwin Hubble discover? 12. what structure in the human body does the galactic filaments resemble on a macroscale? 13. what are the 4 fundamental interactions? 14. On what evidence is the big bang theory founded? 15. what is a neutrino and why are they interesting? 16. what is the difference between convection, diffusion and migration? 17. how many earths could fit in a cube with a side of 1 light year? 18. what did the michelson-morley experiment show? 19. are there any reasons to think that the end of our observable universe is the end of our universe? 20. what categories a boson, fermion aand lepton? Bonus question= what are the current most limiting factors to human space exploration?
Posted on: Mon, 19 Aug 2013 19:48:18 +0000
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