We know the Earth revolves around the Sun but how fast does it travel? The answer is quickly obtained using elementary junior high school geometry (the familiar c = pi x D formula) where, in this case, D = 2 x 93,000,000 miles or 186,000,000 miles
Therefore c = 3.14 x 186,000,000 miles = 584,000,000 miles. Therefore the orbital speed is 584,000,000 miles / 365 days per year / 24 hours per day. ... or 66,671 miles per hour.
See there? The next step is almost as easy. But first know this: Every galaxy is filled with "star dust" (interstellar gas), the remains -- the debris fields -- of spent stars. Most stars remain inside the debris field while a few occasionally breach the surface of this field of "dust" as they orbit other stars.
Why is this important? Novas constantly bombard Earth with cosmic radiation (which can "seed" clouds and drive climate) and the heliosphere is a relatively weak radiation shield (the Sun is not the "climate driver"). However, the Orion Arm's interstellar gas stream can provide tremendous radiation shielding depending on Earth's depth of penetration.
How does the Sun move in and out of this dust stream? Many people do not realize that stars move, yet it is well known to astronomers that stars can be "gravitationally associated." Astronomers are often unable to detect such movement because it requires observation over very large periods of time, perhaps centuries.
But, thanks to AL GORE, the inventor of the Internet, we have (drum roll, please) the Vostok Ice Core chart. Take a look at this much-abused chart and then do the simple math to find out Earth's orbital speed around Alpha Centauri.
Speed = 28 light years per 110,000 years. How many miles per hour? A.) 1 light year per 3,929 years. B.) 1 light year = 186,000 mps x (60 seconds x 60 minutes x 24 hours x 365 days = 31,536,000 seconds per year) = 5,865,696,000,000 miles (approx. 6,000 trillion miles) C.) Speed = 1,492,923,390 miles per 8760 hours (365 x 24 hours = 8760 hours per year) Answer:168,000 miles per hour
The distance to The Edge (Earth's depth of penetration) is determined thus: A.)Alpha Centauri is 4.4 light years away. Therefore the radius of the Sun's orbit, a circle, is 4.4 light years. Circumference of the Sun's orbit is 3.14 x 8.8 = 27.6 light years.
B.)Sun is immersed in the dust of the Orion Arm approx. 10,000 years of each glaciation cycle lasting 110,000 years, producing warm climate (See Vostok Ice Cores). Therefore, 10 / 110 = dust portion of orbit C or .091. 0.091 x 27.6 light years = 2.5 light years. "DEPTH" is approx. O.2 light years or 73 "light days."
73 days x 24 hours x 60 minutes = 105,120 minutes.
C.)Given: 93,000,000 miles to Sun. Speed of light is 186,000 miles per second. 93,000,000 / 186,000 = 500 seconds or 8.33 minutes. Therefore 8.33 "light minutes"
= 1 AU (astronomical unit).
D.) 105,120 minutes / 8.33 minutes = 12,619 AU
My "Star Drive" theory is based on -- but SUPERSEDES -- Henrik Svensmark's amazing CLOUD Theory. One report says this about Svensmark's important work:
"Research by the prestigious European Organization of Nuclear Research supports the theory that periods of earth warming are caused by solar activity and so-called cosmic rays, rather than by human activity."
"The findings of the landmark study, dubbed CLOUD, are rocking climate science. The Svensmark Cosmic Ray Theory was developed at the Danish Space Institute."
The report continues, "The Earth is constantly being bombarded with cosmic rays, high-energy particles from exploding stars. The Svensmark Cosmic Ray Theory suggests that when these cosmic rays enter the Earth's atmosphere, they help create clouds."
"An active sun strengthens a magnetic shield around the Earth that lets fewer cosmic rays get through. If the sun is less active, more cosmic rays get through. And the more cosmic rays, the more clouds, and the cooler global temperatures will be."
Svensmark remains sadly oblivious to the omnipresence of "star dust" and Nir Shaviv, astonomer, still does not realize that stars do not pass between galactic bands. Sad.
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