The very first planet detected outside our solar system powerfully made clear that our prior understanding of what planets and solar systems could be like was sorely mistaken. 51 Pegasi was a Jupiter-like massive gas planet, but it was burning hot rather than freezing cold because it orbited close to its host star -- circling …
How Planet 9 Would Make Ours a More Typical Solar System
There’s been a ton of justifiable excitement these days about the possible discovery of a ninth planet in our solar system — an object ten time the mass of Earth and 200 times further from the sun. Especially in the context of the recent demotion of Pluto from a planet to a dwarf planet, …
Continue reading "How Planet 9 Would Make Ours a More Typical Solar System"
How Planet 9 Would Make Ours a More Typical Solar System
There’s been a ton of justifiable excitement these days about the possible discovery of a ninth planet in our solar system — an object ten time the mass of Earth and 200 times further from the sun. Especially in the context of the recent demotion of Pluto from a planet to a dwarf planet, …
Continue reading "How Planet 9 Would Make Ours a More Typical Solar System"
