Inside-Out Planetary System: A Rocky World Breaks the Rules

For decades, astronomers thought they understood the basic floor plan of a planetary system.

The discovery, published in the journal Science and led by Dr Thomas Wilson of the University of Warwick using the European Space Agency's CHEOPS satellite, is being called the str

What an inside-out planetary system actually looks like

LHS 1903 is a small, cool red dwarf star sitting in the constellation Lynx.

The system has four known planets, labelled b, c, d and e moving outward from the star.