“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
Scientists Uncover Ancient Asteroid Impact Crater Beneath Atlantic Ocean
At a Glance Researchers from Heriot-Watt University have made significant strides in understanding a hidden asteroid impact crater…
The Mysterious Origins of Water
It may strike you as surprising, but water wasn’t always something that the Earth just had plenty of;…
Mission possible − parastronaut programs can make space travel more inclusive and attainable for all
The European Space Agency’s astronaut cohort includes a parastronaut, as part of a feasability project. AP Photo/Francois Mori…
The afterglow of an explosive collision between giant planets may have been detected in a far-off star system
A visualisation of the huge, glowing planetary body produced by a planetary collision. Mark Garlick, Author provided Simon…