Johannes Kepler. See http://en.wikipedia.org/wiki/Kepler for more details.
it was Kepler
Johannes Kepler.
Langley
An elliptical can be found at most fitness retailers. An elliptical can also be sold on Amazon, eBay, and Craig's List. The best type of elliptical is made by Precor as they are the ones who invented elliptical.
One notable astronomer during the Renaissance was Nicolaus Copernicus, who developed the heliocentric model of the universe. Another significant astronomer was Galileo Galilei, who made important observations with the newly invented telescope, providing evidence in support of the heliocentric theory.
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.In 1742, the Celsius scale was invented by Swedish Astronomer Anders Celsius.
i think you mean elliptical, and i believe it was Johannes keplar
Johannes Kepler, a German astronomer, discovered that planets follow elliptical orbits around the Sun, rather than perfect circles. This discovery is known as Kepler's first law of planetary motion and was a significant advancement in our understanding of the solar system.
It was Johannes Kepler 1571-1630 who produced the Laws of Planetary Motion in 1618.
He is a danish astronomer who stated that all the planets revolve around the sun in elliptical orbits and that the sun is not in the exact center of the orbit.
Swedish Astronomer Anders Celsius.
The geocentric model, where Earth is the center of the universe and planets have circular orbits, was proposed by ancient Greek astronomer Ptolemy in the 2nd century. This model was accepted for over a thousand years until Copernicus introduced the heliocentric model in the 16th century.