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This week, the western sky will have a visitor from the depths of the outer solar system: the Comet PanSTARRS.
Venus last transited the Sun in 2004 and will not do so again until 2117, so it is literally a once- in-a-lifetime event.
On May 20 there will be an annular eclipse of the Sun that will be visible for much of the globe, but not the easternmost U.S. In an annular eclipse the New Moon cannot cover the Sun completely so a "ring" is seen around the Sun.
There are astronomical aspects to the sinking of Titanic that have come forward on the 100th anniversary and they involve the Moon.
The wait is over as the two brightest planets in the sky, Venus and Jupiter, will waltz their way toward one another in the western sky this week. For months the two planetary luminaries have been edging closer and closer together with Venus being the lower and brighter of the two.
NASA was busy over New Year's Eve and New Year's Day as its twin lunar spacecraft, GRAIL-A and -B entered lunar orbit after a 3 month, 2.5 million mile journey.