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2020, April 21: The Morning Planets, Jupiter, Saturn, and Mars

Jupiter and its largest moons.

This "family portrait," a composite of the Jovian system, includes the edge of Jupiter with its Great Red Spot, and Jupiter's four largest moons, known as the Galilean satellites. From top to bottom, the moons shown are Io, Europa, Ganymede and Callisto. The Great Red Spot, a storm in Jupiter's atmosphere, is at least 400 years old. (NASA Photo)


2020, April 21: This morning the Bright Outer Planets span 18.6°.

This morning, Jupiter shines from the south-southeast. Saturn is 5.2° to the lower left of its brighter planetary companion. Mars is 13.4° to the lower left of the Ringed Wonder. Mars is slightly brighter than Saturn.

Mars continues to march eastward compared to the starry background. The gap to Jupiter and Saturn continues to grow.

This article has more about the morning planets during April 2020.

Jupiter slowly inches toward Saturn for a December 21, 2020 Great Conjunction.

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