“Planet Nine” is a hypothetical planet, way far out beyond the orbit of the last planet Neptune, that many think may influence the orbits of small objects beyond, perhaps causing them to fall in towards the Sun—and the rest of the solar system—every now and then. YouTube creator Mark Rober gives a pretty concise video, demonstrating just how far would a potential Planet Nine be, in a scale model of the solar system where the Sun is the size of a soccer ball.
Related Posts
Neutron Stars: The Limits of Density
PBS Space Time is back, and Matt O’Dowd is here to take us on a trip through one…
The (Unseen) Impact of Cosmic Rays
Derek Muller of Veritasium is back, and this time he’s brought with him a discussion on some fringe…
In an Engineering Milestone, James Webb Finally Has Its Optics Aligned
After tracking the status and updates regarding one of humanity’s most remarkable feats of engineering, the now-deployed James…
What are Perseverance’s Wheels Made Out Of?
Mars has less than 1% of the atmospheric volume of Earth, meaning that inflating the wheels of any…