heliocentric model
What is an Orrery?
For centuries, human beings have been creating mechanical models the Solar System, which today is known as an orrery,
Who Discovered Gravity?
Among Sir Isaac Newton's many contributions to science was the discovery of gravity. one of the fundamental forces of the…
What Is The Geocentric Model Of The Universe?
The geocentric model of the universe, in which the Sun, planets and stars revolved around the Earth, was the accepted…
What Is The Heliocentric Model Of The Universe?
In 1543, Polish astronomer Nicolaus Copernicus revolutionized astronomy by proposing his heliocentric model of the Universe
Who Was Galileo Galilei?
When it comes to scientists who revolutionized the way we think of the universe, few names stand out like Galileo…
Astronomy Cast Ep. 338: Copernicus
It's safe to say that the Polish astronomer Nicolaus Copernicus shook up the whole Universe. Well, our understanding of our…
Kepler’s Third Law
[/caption] "The square of the orbital period of a planet is proportional to the cube of the semi-major axis of…
Who Discovered Jupiter?
[/caption] Jupiter is one of the 5 planets visible with the unaided eye. That means you can go out on…