In 1766, Johann Daniel Titius of Wittenberg discovered a numerical progression that roughly matched the orbital distances of the known planets — Mercury through Saturn. In 1772, Johann Elert Bode of ...

We take knowledge of the existence of asteroids (aka minor planets) for granted in our modern world. Ranging in size from boulders to hundreds of miles in diameter, tens of thousands of known ...

Nasa's Dawn probe has now left Vesta, its ion thrusters accelerating it gently towards the dwarf planet Ceres. It was back on the first day of the 19th century that Ceres became the first object to be ...

Illustration shows the habitable zone for different types of stars. The distance to the habitable zone is dependent on how big and bright the star is NASA, Kepler There could be billions of planets ...

In the 18th century, an international group of astronomers referred to as the "Celestial Police” devoted themselves to the search of the "missing" planet between Mars and Jupiter. A planet was ...

We use three and half years of Kepler Long Cadence data to search for the 97 predicted planets of Bovaird & Lineweaver (2013) in 56 of the multi-planet systems, based on a general Titius-Bode relation ...