Mercury at Descending Node

feb11-desc-node   Wednesday February 11th the innermost planet Mercury crosses the plane of the ecliptic, Earth’s orbit, moving south in what is called a descending node. The orbit of Mercury is inclined about 7o from the the ecliptic setting up both a descending node as well as an ascending node approximately one-half orbit later.
   The next time Mercury is at descending node it will coincide with Mercury at inferior conjunction. This will set up a transit of the Sun by Mercury.


Caution: Objects viewed with an optical aid are further than they appear.
Click here to go to the Qué tal in the Current Skies web site for more observing information for this month.

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