Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) surveyed dozens of young stars--some Sun-like and others approximately double that size--and discovered that the larger variety have surprisingly rich reservoirs of carbon monoxide gas in their debris disks. In contrast, the lower-mass, Sun-like stars have debris disks that are virtually gas-free.
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) surveyed dozens of young stars--some Sun-like and others approximately double that size--and discovered that the larger variety have surprisingly rich reservoirs of carbon monoxide gas in their debris disks. In contrast, the lower-mass, Sun-like stars have debris disks that are virtually gas-free.
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