Psyche Psyche would explore the origin of planetary cores by studying the metallic asteroid Psyche. (americaspace.com)
Gas giants are probably born further out, beyond some 400 million kilometers, where ice crystals can develop and accumulate into planetary cores that are massive enough to attract large amounts of gas from the disk. (sciencemag.org)
«Turbulence in planetary cores excited by tides.» (sciencedaily.com)