Wandering Jupiter could have swept inner solar system clean
On its way out, infant planet left only enough debris for four small planets, simulation suggests
![Jupiter](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/03/031116_cc_jupiter_free.jpg?fit=860%2C460&ssl=1)
GREEDY GIANT Jupiter, seen in this Hubble Space Telescope image, might have once robbed the inner solar system of planet-building material
NASA, ESA, and A. Simon/GSFC