A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...
NASA’s Mars exploration robots will be on their own for the next two weeks while the space agency waits out a natural phenomenon that will prevent normal communications. Mars and Earth have reached ...
A celestial conjunction featuring the moon, Venus, and the star Regulus will be visible on Friday, Sept. 19. This event will be bright enough to be seen without a telescope, though clouds could ...
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