Comprehensive coverage

The ninth planet

Illustration of a protoplanetary disc around a young star. Imaging: NASA/JPL-Caltech/T. Pyle.

The tumultuous resume of the solar system

  • No comments
An artist's illustration of a possible ninth planet in our solar system. Illustration: Robert Hart, Clatech

Is the strange inclination of the sun caused by the influence of the ninth planet?

  • 7 תגובות
This artist's illustration shows the possible appearance of the ninth planet from the Sun, which is likely to be composed mostly of gases similar to Uranus and Neptune. Hypothetical lightning illuminates the night side. Illustration: Caltech

Indirect evidence for the existence of a ninth planet: a gas giant that orbits the Sun once every ten thousand years

  • 13 תגובות
Science website logo
SEARCH