A possible ninth planet in the solar system, known as Planet 9, is illustrated orbiting far beyond Neptune's orbit (shown as a ring around the sun).Credit: Tom Ruen.nagualdesign/ESO |
http://www.bibliotecapleyades.net/hercolobus/esp_hercolobus_114.htm
A possible ninth planet in the solar system, known as Planet 9, is illustrated orbiting far beyond Neptune's orbit (shown as a ring around the sun).Credit: Tom Ruen.nagualdesign/ESO |