Presentation on theme: "Are We Alone in the Universe?"— Presentation transcript:
1 Are We Alone in the Universe? Leslie Wickman, Ph.D.
2 So many questions… Where did all this come from? How big is it? What’s it all made of?How long has it been here?Was there anything before all this?Where are we going?How will it all end?
3 Do YOU think we’re alone in the universe? Why or why not?
4 The Vastness of the Universe “The heavens declare the glory of God; the skies proclaim the work of his hands. Day after day pours forth speech, and night after night reveals knowledge.”- Psalm 19:1-2On the clearest night, we can see about 2000 stars with the naked eye.Powerful telescopes have revealed billions!The vastness of the universe is impossible to comprehend.The observable universe extends 46.5 billion light years in every direction…“He counts the number of the stars; he gives names to all of them.”Psalm 147:4IS THERE ANYONE ELSE OUT THERE??
5 Search for Extraterrestrial Intelligence (SETI) UC Berkeley researchers have been analyzing radio signals from space with various telescopes since 1978.In 30+ years, they have not yet detected anything that could be construed as a signal from an intelligent civilization
6 Planets Orbiting Other Stars finding extrasolar planets is tough (but we’re getting better at it): they’re close to their star, dim, small, far…several evidences that they exist: dust disks and wobbles and light drops…
7 we’ve observed dust disk stars (e.g. Beta Pictoris) with a huge cold disk (100x bigger than our solar system) and a hole in the middle, just like our solar system hasplanets are likely to form in the inner region
8 here young stars are surrounded by disks of gas and dust there might be new planets being formed here
9 wobblea planet orbiting a star can cause it to wobble just slightly
10 blue shift – twd us / red shift – away from us first seen in 51 Pegasus about 20 years agohave seen 100s now, butmost are jovian and close to parent star
11 and we have ever-so-slight dimming of star light implying tiny planets are moving in front of a star
12 and we can see tiny Doppler effects from a star’s spectrum implying something small and reflecting star light is moving about up there
16 Distance to Other Star/Planet Systems… Alpha Centauri triple star: 4.3 LYEpsilon Eridani, sun-like star, closest exoplanet: 10.5 LYGliese planetary systems, closest low mass exoplanets w/i a star’s habitable zone: ~ LYKOI-961, red dwarf with smallest mass exoplanets (0.57 to 0.78 x Earth’s mass): 20.3 LYSETI estimate for closest possible life-friendly planets: 155 LY
17 Life Science Issues Special conditions of spaceflight: microgravityradiationvacuumtemperature variationsisolationconfinementg-loadsvibrationnoiseProduce various physiological and psychological effects:space adaptation syndrome (SAS)reduced stimulation of taste and olfactory receptorsbody mass lossbody fluid upward shift and losscardiovascular deconditioningmuscular atrophybone demineralization - osteoporosiselectrolyte imbalanceenlargement of some vital organsnasal congestionimmunosuppressioncellular damage/mutationspsychosocial manifestations
18 Our Unique EarthEven though some 750 extra solar planets have been discovered, and perhaps most sun-like stars could support planetary systems…All of our space exploration SO FAR has shown that our neighbors in space are not remotely capable of sustaining life of any complexity.
19 The Best?If the earth is the result of some cosmic accident, surely we could find some attribute which could be improved upon…Distance from Sun, temperature rangesSize, gravityWater: vapor, liquid, solidThickness of crustRotation rateAxial tilt, seasonsMagnetic fieldMoonAtmospheric pressure and compositionBut to change any of earth’s essential attributes would decrease the likelihood of life existing or continuing to exist!“And God saw all that he made, and behold it was very good.”- Genesis 1:3
20 Fine-tuning throughout the Universe Velocity of lightElectromagnetic forceStrong nuclear forceExpansion rate of universeMass density of the universe
21 Against the Odds…Probability for 9 life-supporting design characteristics existing in one of the traditional 9 planets of our solar system:1 in 50 millionIf we consider 322 finely tuned characteristics of the entire universe, the odds are more like 1 in for life to exist anywhere in the cosmos!
22 If things are so perfect here, why would we want to go anywhere else? Is this the only place???If things are so perfect here, why would we want to go anywhere else?Human curiositySpirit of adventurePushing the envelopeFuture of civilization
23 UFO sightings Thousands of UFO sightings are reported each year 50% of all Americans believe in extraterrestrial life95% accounted for as man-made objects or natural phenomenonHoaxesOver-active imaginationsMisidentification of natural phenomenonMisidentification of unknown technologyFire ballsVenus, the “Morning Star”weather balloonsatmospheric effectsmilitary aircraftremaining ~5% are inexplicable
24 The Inexplicable 5% Inexplicable UFOs seem to defy laws of physics: abrupt 90 degree movementsdisintegrating and reappearingchanging formsradio interferenceelectrical systems malfunctioning“crop circles”burnt or bent grassno crash debris
25 Possible Options for Inexplicable UFOs #1: Misidentified natural/physical phenomena#2: Extra-terrestrials sending UFOs to earth#3: Extra-dimensional entities
26 Option #2: ETs Sending UFOs to Earth Distance problemVelocity problemTime problemWeight problemNumbers problem“Alien intelligence will have to conform to the laws of physics as we know them. However there are loopholes in the laws of physics that have to be investigated…This wormhole allows you to leap across vast distances within the twinkling of an eye without violating Einstein’s theory of general relativity…. However… we still don’t know whether or not the wormhole is stable once we take into account radiation effects… We don’t know what lies on the other side of the wormhole…” ~ Dr. Michu Kaku, City University of NYWormhole problemsPhysiological problems
27 Is There a Cover-Up?? What about: The Roswell Incident? Project Blue Book?Area 51?
30 Option #3: Extra-Dimensional Entities Abduction reports9/20/61: a couple driving through New Hampshire, sees a large pancake-shaped craft flying towards them; they can’t account for 2 missing hours; physical problems and nightmares of alien abduction11/5/75: 6 men reported that a colleague disappeared when he approached a UFO; 5 days later he shows up, mentally disturbed and dehydrated; says he’s been examined by aliens
31 “Real” but “Non-physical”? Capabilities of UFOs seem to defy physicsUFO researcher, Dr. Jacques Vallee:UFO phenomenon represents evidence for other dimensions beyond space-timeGeneral relativity and Big Bang cosmology both indicate that the cause of the universe is beyond physical space and timeThe Bible is the only holy book that refers to a creator-God who transcends space and timeThe Bible speaks of non-physical extra-dimensional entities capable of transcending space and time
32 Close Encounters 1st kind: close visual sightings 2nd kind: physical effects on environment3rd kind: contact w/ a UFO being/alien4th kind: abduction by alien beings5th kind: permanent physical harm or death
33 Common Threads in UFO Experiences Involvement in occult practicesDeceptionMalevolence/HarmPeak sightings at 3 am, along remote, low traffic roadsUFO scientific knowledge roughly keeps pace with popular science fiction
34 Third Option Fits BestThe number and frequency of UFO sightings correlates well geographically with regional demographics indicating occult involvementUFO messengers encourage the practices of channeling and mysticism.
35 Conclusions Option 1: Inexplicable UFOs violate laws of physics Option 2: Physical problemsDistanceVelocityTimeWeightNumbersWormholePhysiologyOption 3: Non-physical realityNot bound by space, time, physical lawsConsistent with common threads of “close encounters”Correlation with occult involvement demographics
36 REFERENCESCottrell, Ron. The Remarkable Spaceship Earth, Accent Publications, 1982.DiCello, Carmen. UFO Theories: Some Proposals and Thought Provokers, Angel Fire website:Kaku, Michu. Theoretical Physicist, City University of New York.Kelly, Walt. Cartoonist,Vallee, Jacques. UFO Researcher /Astronomer/Computer Scientist, Euro-America Ventures.Ross, Hugh, Kenneth Samples & Mark Clark. Lights in the Sky & Little Green Men: A Rational Christian Look at UFOs and Extraterrestrials, NavPress, 2002.National Space Biomedical Research Institute:Reasons to Believe, Glendora, CA: