Meaning: tr
One night in 1572, Danish astronomer Tycho Brahe saw what he thought was a brilliant new star in the constellation Cassiopeia. (We now know he was observing a supernova.) In 1604, a second supernova was observed. These discoveries caused scientists to seriously question Ptolemy's theory that all stars were contained in an outermost sphere of the universe that never changed.
The earth is just a sphere suspended in space.
He wanted to enlarge his sphere of influence.
The inner planets, the closest to the Sun, are solid spheres of rock and include Mercury, Venus, Earth, and Mars.
While we often think of the earth as a sphere, our planet is actually very bumpy and irregular.
The Earth is not a perfect sphere.
A star is a brilliantly glowing sphere of hot gas whose energy is produced by an internal nuclear fusion process.
There is geometry in the humming of the strings, there is music in the spacing of the spheres.
Copernicus wrote all of his ideas in a book called On the Revolutions of the Heavenly Spheres.
He nods and shakes the spheres.
Added on 2015-04-27 | by misti | View: 571
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