From the start, the solar system chose fire over ice to build its first bodies

Scientists found that the first solid bodies of the solar system — planets, moons and protoplanets — were based on heated chondrules rather than cold dust with water ice and organics. The conclusion is based on analysis of the composition of early bodies.

• Chondrules are millimeter-sized pieces of rock formed at high temperatures
• Matrix is cold fine-grained dust with ice and organic molecules
• The solar system favored heated material from the very beginning