Sentences with phrase «size rocky object»
Not exact matches
With a diameter of about 1,215 km, the France - sized moon is one of largest known objects in the Kuiper Belt, the region of icy, rocky bodies beyond Neptune.
https://www.sciencedaily.com/
Earth's moon is thought to have formed when a Mars - sized object smacked into the infant Earth and shot hot rocky material out into space.
Swarms of boulder - size objects called planetesimals slowly accreted to form the rocky planets — Mercury, Venus, Earth, and Mars — and their various and sundry satellites.