Tag: mars

Tale of the Shepherd Planets

Until recently, the search for planets beyond our solar system was a matter of calculating the odds and laying out theories of solar system formation....

Seeing the Formation of Planets

Planets begin as dense knots in clouds of dust swirling around a young star. But how do they go from something like this, to something...

Were the Planets Always in the Same Order?

It’s been more than twenty years since astronomers began detecting planets around other stars. They weren’t surprised to find planets in other star systems. But...

Is Planet Nine a Primordial Black Hole?

Two of the greatest mysteries of astrophysics today is dark matter and black holes. Regarding dark matter, It’s simply not known what this material is,...