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Why Jupiter appear to move backward in the night sky!

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47,656 views • 1 year ago •via X (Twitter)

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What's up for June? The solstice brings summer to the Northern Hemisphere. Jupiter and Venus will appear close together in the night sky, and Mercury will join them soon after. The Moon will also pass in front of Venus on June 17. Learn more:
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What's up for June? The solstice brings summer to the Northern Hemisphere. Jupiter and Venus will appear close together in the night sky, and Mercury will join them soon after. The Moon will also pass in front of Venus on June 17. Learn more:

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Why Jupiter Appears to Move Backward in the Sky Have you ever gazed at Jupiter and caught it doing something weird?For months at a time, the Solar System’s giant seems to defy logic — it slows to a stop, then glides backward across the stars in a motion called retrograde. It looks almost magical… or even wrong. But it’s one of the most beautiful illusions in astronomy.Right now, Jupiter is in retrograde from November 11, 2025, to March 10, 2026 — about four months of apparent backward the real story:Earth is the faster runner, orbiting the Sun quicker than Jupiter. As we lap the giant planet (like a sports car overtaking a semi-truck on the highway), our shifting viewpoint creates the illusion. From Earth, Jupiter appears to pause, reverse direction, and loop back against the starry backdrop. Once we pull ahead far enough, it resumes its normal eastward motion.Jupiter itself never stops or turns around. It keeps cruising forward at over 47,000 km/h in its massive orbit. The backward drift exists only in our perspective.This celestial dance has mesmerized humans for millennia. Ancient skywatchers saw omens and mystery in it. We now see one of the clearest, most elegant proofs that we live on a moving planet in a moving Solar next time you spot that brilliant white “star” in the night sky, remember: you’re watching Earth overtake the king of the planets in real time.
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Why Jupiter Appears to Move Backward in the Sky Have you ever gazed at Jupiter and caught it doing something weird?For months at a time, the Solar System’s giant seems to defy logic — it slows to a stop, then glides backward across the stars in a motion called retrograde. It looks almost magical… or even wrong. But it’s one of the most beautiful illusions in astronomy.Right now, Jupiter is in retrograde from November 11, 2025, to March 10, 2026 — about four months of apparent backward the real story:Earth is the faster runner, orbiting the Sun quicker than Jupiter. As we lap the giant planet (like a sports car overtaking a semi-truck on the highway), our shifting viewpoint creates the illusion. From Earth, Jupiter appears to pause, reverse direction, and loop back against the starry backdrop. Once we pull ahead far enough, it resumes its normal eastward motion.Jupiter itself never stops or turns around. It keeps cruising forward at over 47,000 km/h in its massive orbit. The backward drift exists only in our perspective.This celestial dance has mesmerized humans for millennia. Ancient skywatchers saw omens and mystery in it. We now see one of the clearest, most elegant proofs that we live on a moving planet in a moving Solar next time you spot that brilliant white “star” in the night sky, remember: you’re watching Earth overtake the king of the planets in real time.

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