Sentences with phrase «spherical shape of the earth»
«Aristotle accepted the spherical shape of the Earth on empirical grounds around 330 BC, and knowledge of the spherical Earth gradually began to spread beyond the Hellenistic world from then on.»
http://religion.blogs.cnn.com/ Not exact matches
Had our world not been of a spherical shape, had night and day not succeeded each other thanks to its rotation, life on the face of the earth exposed to heat would be extinct and in the portion left in the shade vegetation would not thrive.
Or more up to date, I bet NASA doesn't talk about a spherical earth given that we now much better understand the true shape of the earth and many related parameters.
About a decade ago, Huggins and Nicolas Mauron of Montpellier University 2 in France noticed that the dust immediately surrounding CW Leo formed a peanut shape, with concentric arcs of dust — partial spherical shells — expanding out beyond the peanut to distances of 25,000 times the Earth - sun distance.
The factor 1/4 comes from the ratio of the area of the disk to the total surface area of the planet (which takes into account the Earth spherical shape and the difference between day and night).
Who would like to program the various parameters that have to be accounted for, like the slow but persistent up and down of tides, the difficulty of fixing a reliable reference point, spherical geometry, Earth shapes, collisions with whales, the presence of inversions on comunications of test signals etc etc..
The only substantive difference is that, so far as I can tell, the Journal of Cosmology paper assumes a spherical Earth for simplicity, whereas the blog post includes effects due to the actual shape of the Earth.