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How strong is the gravitational influence of the other planets on the Earth?? When does it peak? Is there any unusual enhancement of gravitational influence at the time of any planetary alignments?
I calculated the tidal influence of each planet at the Earth over the course of several centuries using standard almanac algorithms (only a few decades are presented here). The tidal acceleration is proportional to the mass of the planet, inversely proportional to the distance cubed, and also depends on direction. We can calculate the driving force behind the ocean tides by applying these factors for the Moon and Sun. For the planets, the graphs below show the individual tidal components due to each planet and then the maximum sum of those components accounting for the direction to each planet. If it were large enough, this tide would add on to the tide from the Sun and Moon and lead to subtle changes in the oceans and land masses down here on Earth...
Notice the sharp spike from Venus every one-and-a-half years or so. This happens whenever the Earth passes close to Venus. Since the tidal force is inversely proportional to distance cubed, the close approaches between Venus and Earth are by far the most important factor in determining the net planetary tide at Earth. The net planetary tide in May, 2000 is actually quite a bit less than average since the planets are on the far side of the Sun, and it's about 15 times weaker than the tide at a typical Venus opposition.
But I've saved the best for last...
The line at the top of each of the above graphs (roughly where the Venus spikes max out) corresponds to a tidal acceleration that is one ten-thousandth as strong as the Sun's average tidal acceleration on Earth (or over 20,000 times smaller than the tidal acceleration induced twice every day by the Moon). The low line on the graphs, close to the long-term average of the net planetary tide, is one one-hundred-thousandth of the average solar tide. So, as expected, the gravitational influence of the planets on the Earth is utterly insignificant.
Originally posted by phreak_of_nature
Earth Shaking Russian Volcano in Kamchatka Erupts With Massive Earthquake
www.indiadaily.com
There are no less than 50 other earthquakes that has been registered in the last few months. According tectonic researchers this is just dangerous and unbelievable.
Please visit the link provided for the complete story.