This week will be one of those weeks of planet viewing that will be remembered. The early morning skies have 4 of the visible planets arranged along the ecliptic over the eastern to southern horizon. In the evening skies there is the inner planet Venus moving eastward away from the Sun and rapidly, at least in terms of orbital speed, toward the open star cluster the Pleiades. This is a group of several hundred stars bound together by their respective gravitational attraction, and is located on the shoulder of Taurus the Bull.
Venus, as a planet closer to the Sun than the Earth, will move more each day than the apparent speed of the Sun, which is based on the Earth’s orbital speed of about 0.98o each day. Venus being closer to the Sun will move approximately 1.6o each day.
So over the course of 2-3 days the planet Venus will move across the stars of the Pleiades as this animated graphic is showing. It is set for 1-day intervals from April 2nd to the 5th. As Venus moves across the stars it will make for a great view either through binoculars or telescope.
Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.
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