Mercury

2021, July 1, Saturn – Mars Opposition

July 1, 2021:  Saturn and Mars are in opposite directions in the sky.  Mars sets as Saturn rises. In about a week, the two planets are visible in the sky at the same time.  This event signals that the planet parade is starting to reorganize. During July, three other planet – planet oppositions occur, leading up to a challenging view of the five bright planets during mid-August.

2021, August 18: Challenging View, Five Planets, Moon

August 18, 2021: During bright twilight, five planets and the moon are in the sky simultaneously after sunset.  This is a challenging observation made with the assistance of a binocular or spotting scope.  Mercury and Mars are at their closest in the west, with brilliant Venus to the upper left.  The moon, Saturn, and Jupiter are in the southeastern sky. The Mercury – Mars conjunction is the closest until 2032.

2021, May 31: Goodbye, Mercury!

May 31, 2021: The planet parade is cut to four bright participants as Mercury departs the evening sky after tonight’s final appearance.  “Goodbye, Mercury!” until it appears in the morning sky during early summer.  This morning the moon is near Saturn and Jupiter in the southeastern sky. Brilliant Evening Star Venus, dim Mercury, and Mars are in the evening sky.

2021, May 29: Evening Star Venus, Mercury, Mars

May 29, 2021: Three planets are in the evening sky.  Brilliant Venus is low in the west-northwest after sunset.  Speedy Mercury is leaving the sky after its best evening performance of the year.  It is below Venus.  Mars is higher in the western sky, in Gemini to the lower left of Pollux.

2021, May 28: Close Venus – Mercury Conjunction

May 28, 2021:  This evening Mercury passes brilliant Venus for the second of three conjunctions during this evening apparition of the second planet from the sun.  Use a binocular about 45 minutes after sunset to see the speedy planet 0.4° to the lower left of Venus.  This is the closest visible conjunction until 2033.

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