Recent content by dtyarbrough
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Graduate Does Space Expand? What Do You Think?
The rate of expansion (hubble constant) of the universe is equivalent to the sun moving 3/4 of a mile farther away in 100 years. Do the math. The solar wind adds solar particles to the solar system and universe. This causes distant objects to appear ever more distant as space becomes more...- dtyarbrough
- Post #147
- Forum: Cosmology
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High School Atom Empty Space: What is in Between Electrons and Nuclei?
Imagine that the atom is 500 times larger than it is thought to be. It is vibrating within an area almost twice that diameter. Only a minute area within this sphere will always block background light or reflect foreground light. It will appear to be 1/1000 of the diameter of the area it occupies.- dtyarbrough
- Post #14
- Forum: High Energy, Nuclear, Particle Physics
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Undergrad Terminal velocity in a vacuum.
Where is it written that gravity, the force that accellerates all matter equally, regardless of mass, is in any way dependent on the speed and/or increased mass of the object. It should take approximately 9360 hours to reach the speed of light at a rate of 9m/sec/sec.- dtyarbrough
- Post #8
- Forum: Mechanics
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Graduate Time, Light, and Relativity: Photons from the Past
Photons experience time as all inanimate objects do. They change over time. If there is a spacetime, which I doubt, anything moving through space would experience time. If we destroy all the clocks, will time stop? If time slowed down at all, my point is made. It does not have to stop.- dtyarbrough
- Post #3
- Forum: Special and General Relativity
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Graduate Time, Light, and Relativity: Photons from the Past
Relativity states that as anything approaches the speed of light, time slows down. At the speed of light, time stops. If this is true then photons from 1 billions light years away would not exist in the present unless they stopped and remained stationary for 1 billion years after reaching earth...- dtyarbrough
- Thread
- Photons
- Replies: 4
- Forum: Special and General Relativity
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Graduate Does mass really increase with speed
ELROCH: Thanks for clearing that up. So its okay for electrons to orbit near the speed of light around a nucleus moving at the speed of light. Einstein would not approve.- dtyarbrough
- Post #7
- Forum: Special and General Relativity