Wednesday, June 18, 2014

3 Planets and a Solstice

Saturn, Mars and Jupiter remain the brightest object in the evening sky at the late dusk of midsummer days. Saturn, golden in the south at dark, has moved about half way between Virgo's Spica and the heart of the Scorpion, Antares and that puts it right in the between the left and right claws of Libra.  The Romans, in a moment of balance, removed Scorpio's claws and invented Libra, the scales, showing the balance of justice in their system. The names right and left claw remain (the left, Zubenelgenubi is a really fun word to say, but then Zubeneschamali is fun, too) revealing their history.
Mars continues to dim as we pull away from our rusty neighbor. It will stand still with respect to the stars on the solstice and then begin moving east through Libra and sidle back up with Spica. This is the last month for good looks at Mars for quite awhile.
Jupiter's viewing days are fading every day as we move through June.  It sinks lower and lower into the west with each day and will be hard to spot by month's end. The king of the planets will be at conjunction with Earth on July 24, behind the sun, emerging as a morning star for late summer and fall.
Venus is still the brightest object in the dawn sky (but with summer's long days you have to be up early) but is pulling away from earth and while gibbous in a scope is shrinking in size and brightness.
Tomorrow is the last quarter moon (look for it in the morning sky) at 2:39pm, to be precise. The waning crescent will be just below Venus on the morning of the 24th for early risers.
Earth, while drifting toward its farthest point from the sun, will have its northern axis tipped as far as it can get toward our nearby star at 6:51am EDT on the 21st, the summer solstice. Farther away and summer??? It's the tilt not the distance that creates the heat of the hot season; more hours of direct sunlight is the summer. Stay cool, it's cooking out there, Today On Earth.

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