is believed to be one of the early European scientists to have put forward the theoretical model that the sun was the center of the solar system, defying the church and the accepted wisdom that ...

TIMHi, I'm Tim Peake. I'm an astronaut based here at the European Space Agency in Germany, and from December 2015, to June 2016, I spent six months orbiting Earth on the International Space Station.

Finding physical evidence that our planet revolves around the Sun took some clever thinking to prove that this heliocentric model of our solar system represents reality. The idea is ancient.

Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the planets, and the distances between them all on ...

The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system ...

Arkansas State University is announcing the installation of the Voyage Model Solar System on the campus. Voyage is funded by the Arkansas Biosciences Institute (ABI), in partnership with Arkansas ...

An Egyptian astronomer called Ptolemy (AD100-168) described one of the earliest ideas for how the Solar System is structured. Ptolemy’s model and many earlier ideas of the Solar System had the ...

In the coming decades, Voyager 1 will be joined by other craft sent along solar ... Solar System. To put the challenge of interstellar travel in perspective, let’s build a scale model of our ...

AUSTIN (KXAN) — The ongoing search for oceans in our solar system is taking us to Uranus. A new computer model, designed by researchers at the University of Texas, could help a future NASA ...