Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

In the early seventeenth century, Copernicus' concept of a heliocentric universe was further developed by the great German mathematician Johannes ... Kepler suggested that the planets were kept in ...

Due to the large receiving aperture of 1.75 metres, it enables the detection of debris objects in low earth orbit with dimensions in the decimetre range. Compared to radar-based detection, laser-based ...