The caloris basin on mercury covers a large region of the planet, but few smaller craters have formed on top of it. From this we conclude that?.

The Caloris Basin on mercury covers a large region of the planet, but few smaller craters have formed on top of it. From this, we can deduce that "the Caloris Basin originated toward the end of the solar system's period of heavy bombardment."What is the Caloris Basin?The Caloris Basin, also known as Caloris Planitia, is a 1350km-diameter impact crater on Mercury and one of the biggest impact basins in the solar system. Caloris is Latin for "hot," and the basin gets its name from the fact that the Sun is virtually directly overhead every second time Mercury approaches perihelion.Caloris Planitia is a plain within Mercury's massive impact basin, Caloris, which is around 1,550 km in diameter. It is one of the Solar System's major impact basins.Learn more about the Caloris Basin:https://brainly.com/question/14955860#SPJ1