The International Astronomical Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a spherical shape, and has cleared away other objects ...
A scientific theory is a structured explanation to explain a group of facts or phenomena in the natural world that often incorporates a scientific hypothesis and scientific laws. The scientific ...
Who’d have thought such a tiny planet would stir up such a big controversy? Everyone seems to have an opinion on the recent vote by the International Astronomical Union to change the official ...