Besides being a point of light, a star is a luminous, spherical mass of plasma, enough to hold itself together under its own gravity. On its own, though, gravitational rounding isn't enough. What ...

Orsola De Marco received funding from the Australian Research Council. She is affiliated (non-executive director of the Board) with Astronomy Australia Ltd. a not-for-profit company serving Australian ...

Is a sun a star or a planet? Current definitions define a star as a body that generates its own energy. While humans have relied on the sun for hundreds of thousands of years, it's only in the last ...