Learn about the life and scientific contributions of Johannes Kepler, the 17th-century astronomer known for his laws of ...

The most common planets seen by Kepler have a radius between Earth’s and Neptune’s — unlike any planet in the Solar System ... sixteenth-century astronomer Johannes Kepler.

Raised in the Lutheran church, Tycho was led to believe that the earth was the center of the universe, but his carefully ...

For most of history, the Moon was regarded as a mysterious and powerful object. Then scientists made it into a destination ...

It actually follows its own tiny elliptical orbit around what is called the center of gravity (the barycenter) of the system ... about 1604, Johannes Kepler fitted an ellipse model of Mars ...

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...

A fascinating blend of mechanics and magnetism brings a solar system model to life. Each planetary movement is guided by magnetic forces, creating a seamless and mesmerizing display. Precision ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.