Solar systems like ours begin as pancakes of dust and gas left over after a star forms. Over time, the dust within these “circumstellar disks” coagulate into planetesimals that will eventually form planets like the Earth. During this early stage of solar system evolution, these circumstellar disks are called “protoplanetary disks” because planets have not…
Planetary cradles: UMass/FCAD colloquium speaker Feng Long presents ALMA view of early solar systems
