Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have found the possible ‘sibling’ of a planet orbiting a distant star.
Tag: Protoplanets
Earth formed from dry, rocky building blocks
A study from Caltech shows that the early Earth accreted from hot and dry materials, indicating that our planet’s water—the crucial component for the evolution of life—must have arrived late in the history of Earth’s formation.