The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
Epic music overshadowed redundant imagery ...
While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.
Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.
The article humorously imagines how planets would describe themselves if they were dating profiles. Each planet has a unique ...
The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...