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Solar System distances
As I study into time travel, I need a better concept of distance, at least in our Solar System. I found a good illustration in chapter 2 of “30 Days to Understanding the Bible” by Max E. Anders (protestant resource). He starts his model in the middle of the Bonneville Salt Flats in Utah. Here it goes:
(Sun) a beach ball – 2 feet in diameter — at the center
(Mercury) a mustard seed — walk a city block away
(Venus) a BB — walk another city block away
(Earth) a pea — walk another city block away
(Mars) a mustard seed — walk another city block
(asteroid belt) sprinkle some grass around
(Jupiter) an orange — walk a quarter of a mile away
(Saturn) a golf ball — walk another third of a mile
(Uranus) a marble — walk a mile away
(Neptune) a cherry — walk a mile away
(Pluto) a marble — walk another 2 miles away
This model is about 10 miles in diameter from Sun to Pluto. Now, to better understand distance even better, let’s place Alpha Centauri (the next nearest star to our sun) with another beach ball 6,720 miles away from the “Sun” in Japan.
This is not only helpful with concepts of science. Understanding the size, location and distances give us perspective into geography. This is also an important concept when studying Scripture. It is helpful to know names, locations and distances between important geographical locations, otherwise comprehension gets lost or ignored, leaving our faith to appear unrelevent and archaic. We should embrace the sciences to glorify God. — plus it’s kinda cool!
Déjà Vu & time travel
After watching the movie Déjà Vu (with Denzel Washington), I got to thinking about the theory of time travel:
Many in the scientific community believe that backwards time travel is highly unlikely. Any theory which would allow time travel would require that issues of causality be resolved. What if one were to go back in time and kill one’s own grandfather? (see grandfather paradox) Additionally, Stephen Hawking (Homer Simpson called him “Wheelchair Guy“) once suggested that the absence of tourists from the future constitutes an argument against the existence of time travel—a variant of the Fermi paradox.
The more theories I read, including wormholes and traveling faster than the speed of light, the more impossible is sounds. Let’s get real. If the speed of light is 3 x 10^8 m/s or 186,282 miles/sec, how can we get the human body to move that fast?










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