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venus

The Moon, Venus, and Mercury at Sunset

March 18, 2018 by Brian Ventrudo Filed Under: Astronomy Images and Video

The last Sunday of northern winter in 2018 brought a clear and dry night for stargazing in the Washington, D.C. area. In this image, taken from The Plains, Virginia, shows a slender crescent Moon just 3% illuminated by the Sun’s light. The Moon is joined by the two inner planets Venus (brighter, at center) and Mercury (upper right). Mercury has just passed its greatest eastern elongation and will now begin quickly moving back toward the Sun. Venus moves in the opposite direction, more languorously, as it slowly gets higher and brighter in the coming weeks.

 

 

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Filed Under: Astronomy Images and Video mercury, moon, nightscape, sunset, venus

Venus and the “New Year” Crescent Moon

January 2, 2017 by Brian Ventrudo Filed Under: Solar System

venus-moon-new-year-2017
Venus and the crescent Moon on the evening of January 1, 2017, imaged from Bethesda, MD.

The waning of the first day of 2017 sees the slender crescent Moon, rounded out by Earthshine, and the brilliant planet Venus in the western sky after sunset. Venus puts on quite a show this month as it reaches greatest eastern elongation on January 12 and lies some 47° east of the Sun. The planet then grows in brightness to magnitude -4.7 by month’s end. That’s as bright as the planet ever gets, bright enough to cast shadows on a dark night.

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Filed Under: Solar System moon, venus

A Brief Guide to Observing the Planet Venus

November 24, 2016 by Brian Ventrudo Filed Under: Solar System

venusThe planet Venus is the third brightest object in our skies after the Sun and the Moon. Known since the first humans turned their gaze to the sky, the striking appearance of Venus compelled the ancient Greeks and Romans to name the planet after the goddess of love and beauty. Other cultures, including the Sumerians and the Pawnee in North America also linked this brilliant planet to objects of feminine beauty.  The ancient Mayans had a particular interest in Venus and built an observatory at Chichen Itza to, among other things, precisely measure the position of the planet, and some aspects of the Mayan calendar are based on the motions of Venus. While Venus reveals little detail in a telescope, it grows and shrinks and goes through a series of phases similar to the Moon, and comes closer to Earth than any other planet. Here’s a little background on the planet Venus and a few tips to help you see the planet for yourself and understand its apparitions and motion in our skies [Read more…] about A Brief Guide to Observing the Planet Venus

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Filed Under: Solar System observing guide, solar system, venus

Venus and Saturn Meet in the Morning Sky

January 7, 2016 by Brian Ventrudo Filed Under: Solar System

Venus and Saturn move within 1/2 of a degree of each other on the morning of January 9, 2016.
Venus and Saturn move within 1/2 of a degree of each other in the southeastern predawn sky on the morning of January 9, 2016.

Look to the southeastern sky before dawn on January 9 to see Venus and Saturn make a close approach to each other before sunrise. Venus is the brighter of the two, about 60x brighter than Saturn. The two planets make their closest approach at about 4h Universal Time when they are just 1/10 of a degree apart. This timing favors observers in Europe and Africa. As dawn arrives in the Americas and Australia and New Zealand, the planets will be slightly farther apart but still quite striking. Binoculars will give a good view of the two planets, and a telescope at low-to-medium power will give an excellent view of the face of Venus, which is about 77% illuminated, and the rings and brightest moons of Saturn. [Read more…] about Venus and Saturn Meet in the Morning Sky

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Filed Under: Solar System saturn, solar system, venus

Snapshot and Video of Lunar Occultation of Venus

December 7, 2015 by Brian Ventrudo Filed Under: Solar System

Venus moves towards the limb of the crescent Moon before a lunar occultation of Venus in daytime on December 7, 2015.
Venus moves towards the limb of the crescent Moon before a lunar occultation of Venus in daytime on December 7, 2015.

A quick DSLR image of the Moon about to pass in front of Venus. This snapshot taken on a warm December afternoon from Chevy Chase, MD. Venus was easily visible in the daytime sky. As the Moon moves eastward by about 1/2 degree per hour, Venus will re-emerge about a hour later. You can indeed enjoy astronomy by daylight!

Here’s a crude video of the beginning of the occultation:

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Filed Under: Solar System moon, occultation, venus

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