An occultation of the star Aldebaran will occur on March 4, and it will be visible over a large portion of the United States. Also, find out why the Venus and Mercury go through phases.
from Space.com bit.ly/2msVLkb
An occultation of the star Aldebaran will occur on March 4, and it will be visible over a large portion of the United States. Also, find out why the Venus and Mercury go through phases.
from Space.com bit.ly/2msVLkb
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