Live

Watch CBSN Live

Christmas Star 2020: Jupiter, Saturn to meet in rare "great conjunction"

On Monday evening, the two largest planets in our solar system, Jupiter and Saturn, will appear to merge into a single source of light. It's the first visible conjunction of the giants in more than 800 years. Correspondent Mark Strassmann explains why we may not have another chance to see such an astronomical sight in your lifetime.
View CBS News In
CBS News App Open
Chrome Safari Continue