Chip Chick on MSN8 天
A Mysterious Object Visited Our Solar System And Altered The Orbits Of Four Planets
Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...
Live Science on MSN17 天
An interstellar visitor may have changed the course of 4 solar system planets, study suggests
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...