PY1103 Lecture Notes - Lecture 7: Fermi Paradox, Crop Circle, Testability

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Introduction to the Elements of Search
State the claim
Examine the evidence of the claim (Determine exact nature of evidence)
Alternative hypotheses (not only hypotheses in question)
Rate according to
Criteria of Adequacy of each
Hypothesis
Alien Invasion!
State the Claim:
Aliens have not visited Earth
Examine the evidence: Aliens have not visited Earth
- Some result in ordinary Earthly phenomena, such as weather balloons, lighting,
airplanes, military, stars, clouds, flares, Missile Tests, or rockets Rosewell incident
- YouTube / media videos about aliens = get lots of views = scamming / fake videos to
get money. Fakes, counterfeits and forgeries are all around us in the everyday world.
- Experts disproving sightings
- Weather pattern / mag field for triangle
Alternative Hypotheses: Aliens have visited Earth
- Crop circles
- Area 51
- Triangle
- Fermi paradox
- UFO sightings
- Unidentifiale ojet’s
- Eye witness testimony
- Abductions
- Government secrets
Rate according to the criteria of Adequacy of each hypothesis:
Disproving Studies
Testability -> evidence does prove, yes
Fruitfulness -> yes
Scope -> discovering what is the leading factors for incorrect sightings
Simplicity -> yes
Conservationism -> no one has seen aliens, therefore theres no aliens
Validity -> yes
Fake crop circles
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