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The retrograde motion of Mars!

All day Astronomy

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36,712 次观看 • 1 年前 •via X (Twitter)

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This completely makes no sense

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Mars sometimes appears to move backward in the night sky due to retrograde motion, an optical illusion. This happens when faster-orbiting Earth overtakes Mars. As Earth passes, Mars seems to slow, stop, and move westward, although it's still moving forward in space. This "backward" motion occurs roughly every 26 months. The last one started on December 6, 2024 and finished on February 23, 2025. The next one is from January 25, 2027 to April 7, 2027. Retrograde motion puzzled ancient astronomers, who thought Earth was the center of the universe. It wasn’t until the heliocentric model (with the Sun at the center) that this illusion was correctly explained. All outer planets show retrograde motion when Earth passes them.

Mars sometimes appears to move backward in the night sky due to retrograde motion, an optical illusion. This happens when faster-orbiting Earth overtakes Mars. As Earth passes, Mars seems to slow, stop, and move westward, although it's still moving forward in space. This "backward" motion occurs roughly every 26 months. The last one started on December 6, 2024 and finished on February 23, 2025. The next one is from January 25, 2027 to April 7, 2027. Retrograde motion puzzled ancient astronomers, who thought Earth was the center of the universe. It wasn’t until the heliocentric model (with the Sun at the center) that this illusion was correctly explained. All outer planets show retrograde motion when Earth passes them.

Erika 

51,532 次观看 • 1 年前

Saturn's retrograde motion 2025. The "optical illusion" caused by Earth's orbit overtaking Saturn's. [🎞️ thebrainmaze]

Saturn's retrograde motion 2025. The "optical illusion" caused by Earth's orbit overtaking Saturn's. [🎞️ thebrainmaze]

Massimo

27,707 次观看 • 1 年前

A basic backyard telescope equipped with a tilt measurement app capable of measuring azimuth angle from October 1 to December 6, 2024, 8 weeks before Mars goes into retrograde motion will determine if Earth orbits the sun or the sun orbits Earth. The white line in the clips = tilt of telescope.

A basic backyard telescope equipped with a tilt measurement app capable of measuring azimuth angle from October 1 to December 6, 2024, 8 weeks before Mars goes into retrograde motion will determine if Earth orbits the sun or the sun orbits Earth. The white line in the clips = tilt of telescope.

Benjamin

15,897 次观看 • 1 年前

🔁 3 Planets Go Retrograde This July! Heads up, skywatchers! In July 2025, Neptune, Saturn, and Mercury will all go retrograde — a celestial event where planets appear to move backward in the sky! 🌀 What is retrograde motion? Normally, planets move from west to east across the sky (called prograde motion). But sometimes, due to the way Earth and other planets orbit the Sun, they appear to reverse direction for a while. This is called apparent retrograde motion — it’s just an optical illusion! 📅 Retrograde Dates: 🔹 Neptune: started July 5 🔹 Saturn: starts July 14 🔹 Mercury: starts July 17 🌠 Watch the night sky — planets may seem to “pause” and then move in reverse! Have you ever spotted a planet going retrograde? Let us know in the comments! 👇 #Retrograde #Planets #MercuryRetrograde #NightSky #Astronomy #StarWalk

🔁 3 Planets Go Retrograde This July! Heads up, skywatchers! In July 2025, Neptune, Saturn, and Mercury will all go retrograde — a celestial event where planets appear to move backward in the sky! 🌀 What is retrograde motion? Normally, planets move from west to east across the sky (called prograde motion). But sometimes, due to the way Earth and other planets orbit the Sun, they appear to reverse direction for a while. This is called apparent retrograde motion — it’s just an optical illusion! 📅 Retrograde Dates: 🔹 Neptune: started July 5 🔹 Saturn: starts July 14 🔹 Mercury: starts July 17 🌠 Watch the night sky — planets may seem to “pause” and then move in reverse! Have you ever spotted a planet going retrograde? Let us know in the comments! 👇 #Retrograde #Planets #MercuryRetrograde #NightSky #Astronomy #StarWalk

Star Walk

19,719 次观看 • 11 个月前

What is Jupiter Retrograde: Periods in 2025 and 2026 In astrology, Jupiter is associated with growth, prosperity, and good fortune. Its retrograde motion, however, is associated with a slowdown in career and relationships, general decline, and a series of setbacks.

What is Jupiter Retrograde: Periods in 2025 and 2026 In astrology, Jupiter is associated with growth, prosperity, and good fortune. Its retrograde motion, however, is associated with a slowdown in career and relationships, general decline, and a series of setbacks.

Black Hole

334,582 次观看 • 1 个月前

The Artemis II launch in near-infrared slow motion 🤯 Video courtesy of NASA / MARS SCIENTIFIC

The Artemis II launch in near-infrared slow motion 🤯 Video courtesy of NASA / MARS SCIENTIFIC

Jenny Hautmann

43,284 次观看 • 2 个月前

MINT RETROGRADE STILL FRIES??? CHECK OUT THIS INSANE DAMAGE STRATEGY THAT INVOLVES HAVING THE MINT RETROGRADE IN YOUR KINETIC SLOT

MINT RETROGRADE STILL FRIES??? CHECK OUT THIS INSANE DAMAGE STRATEGY THAT INVOLVES HAVING THE MINT RETROGRADE IN YOUR KINETIC SLOT

🍷 ATP / All The Players🍷

136,435 次观看 • 17 天前

Here's another test: one of the legs drops onto a soft surface filled with powdery, Mars-like soil. 📹 Slow motion video by Sener.

Here's another test: one of the legs drops onto a soft surface filled with powdery, Mars-like soil. 📹 Slow motion video by Sener.

Human Spaceflight

97,727 次观看 • 1 个月前

Is my Saturn Ion in retrograde? 🚗🪐 #astrology #retrograde #Aquarius #signage

Is my Saturn Ion in retrograde? 🚗🪐 #astrology #retrograde #Aquarius #signage

Jennifer Stone

11,583 次观看 • 3 年前

Did you know? Every 584 days, Venus begins a retrograde motion—an illusion where it appears to move backward across the sky as seen from Earth. This is why it happens. [🎞️ thebrainmaze]

Did you know? Every 584 days, Venus begins a retrograde motion—an illusion where it appears to move backward across the sky as seen from Earth. This is why it happens. [🎞️ thebrainmaze]

Massimo

55,854 次观看 • 1 年前

Retrograde Life

Retrograde Life

dankeサン

22,602 次观看 • 10 个月前

The New Coke fiasco happened during the Venus retrograde in Aries in 1985

The New Coke fiasco happened during the Venus retrograde in Aries in 1985

Chris Brennan

15,006 次观看 • 1 年前

and FUCK that retrograde

and FUCK that retrograde

mikey

404,125 次观看 • 1 年前

Paul Thomas Anderson, thank you for your support of RETROGRADE. Deeply grateful 🙏🏼

Paul Thomas Anderson, thank you for your support of RETROGRADE. Deeply grateful 🙏🏼

Matthew Heineman

14,426 次观看 • 3 年前

Range of motion this, range of motion that. How about you check the range of motion on this hook.

Range of motion this, range of motion that. How about you check the range of motion on this hook.

Mason

80,201 次观看 • 2 年前

Lessons of Venus retrograde.. Are you willing to work together to make it work?

Lessons of Venus retrograde.. Are you willing to work together to make it work?

Bronxology 👑

15,271 次观看 • 1 年前

Mercury retrograde in Pisces has started

Mercury retrograde in Pisces has started

ava 🌞

71,171 次观看 • 4 个月前

The surface of Mars

The surface of Mars

Science girl

29,530 次观看 • 1 年前