Young stars often have disks of gas and dust around them, and many of these disks have gaps within them. How do astronomers know that these gaps are caused by young planets and not some other effect?
Join our host Summer Ash of the National Radio Astronomy Observatory as she talks about how the Atacama Large Millimeter/submillimeter Array has uncovered one of the mysteries of how planets form.
View, share, and download the video: https://vimeo.com/618062698
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