21. They are here: Solution #1 They are here and they call themselves Hungarians…
22. They are here: Solution #1 They are here and they call themselves Hungarians… Johnvon Neumann Edward Teller
23. They are here: Solution #2 They are here and are meddling in human affairs…
24. They are here: Solution #2 They are here and are meddling in human affairs… Most UFOs become IFOs – must they all be in order to “disprove” alien invasions?
25. They are here: Solution #3 They were here and left evidence of their presence…
26. They are here: Solution #3 They were here and left evidence of their presence… 2001 1976
27. They are here: Solution #3 They were here and left evidence of their presence… Erich von Daniken Tunguska, 1908
28. They are here: Solution #3 They were here and left evidence of their presence… NASA has already “parked” sattelites at some of these Lagrangian points L1 and L2. What about ET? Lagrangian Points
29. They are here: Solution #4 They exist and they are us – We are all aliens!
30. They are here: Solution #4 They exist and they are us – We are all aliens!
70. They exist but have not communicated: Solution #12 We are Solar Chauvinists… G2 O? Dyson Spheres
71. They exist but have not communicated: Solution #13 They Stay at Home…
72.
73. They exist but have not communicated: Solution #14 …and Surf the Net
74.
75. They exist but have not communicated: Solution #15 They are signaling but we don’t know how to listen… SETI: radio, visible Dyson Spheres: infrared
76. They exist but have not communicated: Solution #15 They are signaling but we don’t know how to listen… Tachyons: There was a young lady named Bright, Whose speed was far faster than light. She went out one day, In a relative way, And returned the previous night! -Reginald Buller
77. They exist but have not communicated: Solution #16 They are signaling but we do not know at which frequency to listen…
78. They exist but have not communicated: Solution #16 They are signaling but we do not know at which frequency to listen… Even with billions of channels, there is still nothing on! H: 1.42 GHz OH: 1.64 GHz Other logicalspots?
79. They exist but have not communicated: Solution #17 Our search strategy is wrong…
87. They exist but have not communicated: Solution #19 We have not listened long enough… SETI:Billions of stars, billions of frequencies, and billions ofyears: trillions of possible combinations!
88. They exist but have not communicated: Solution #20 Everyone is listening; No one is transmitting…
89. They exist but have not communicated: Solution #20 Everyone is listening; No one is transmitting…
90.
91. Same signal to be detected by an Arecibo-type dish on opposite side of Milky Way could be sent by the Arecibo telescope – but with an extremely narrow band
152. Before you answer – check out these extremophiles!halophile Thermophiles in volcanic mudpot acidophile Deinococcus radiodurans can survive radiation levelsthousands of times higher than what would kill most organisms (including people) – panspermia candidate?
153. They don’t exist: Solution #35 Continuously habitable zones are narrow… Type of Star: O, B, A, F, G, K, M
154. They don’t exist: Solution #35 Continuously habitable zones are narrow… Galactic Habitable ZoneGalaxy Type irregular Intragalactic position: elliptical spiral