Venus's 5 Petals Dance

May, 2021

If i say this is how Planet Venus orbit .. will you believe me ? may be No ..well let's understand how earth's sister planet create this beautiful patterns ...

Before we start Quick facts check ..

Earth	Venus
orbits the sun in the counterclockwise direction as seen from the north.	orbits the sun in the counterclockwise direction as seen from the north.
orbits is approximately circles and same plane as Venus	orbits is approximately circles and and same plane as Earth
radius of the earth's orbit is 1.0 AU	radius of Venus's orbit is 0.7 AU.
earth's orbit is 1 year.	Venus's orbit is 0.6 year.

Now let's understand how Planet Venus create these amazing patterns ..

Step 1

The first arrow starts at the earth, has a fixed length of 1.0 AU, and rotates counterclockwise once per year.

The second arrow starts at the end of the first arrow, has a fixed length of 0.7 AU, and rotates counterclockwise once every 0.6 year.

Step 2

Now let's put earth into center because from this we see these dance so ..

Venus moves on a little circle the center of which moves on a big circle around the earth.

Step 3

Here we see a small circle of radius 0.723 AU that revolves about the earth (at the center). The center of the small circle moves along a big circle of radius 1.00 AU once each year.

Venus, represented as a red dot, revolves about the center of the small circle once every 0.615 years. After the point of closest approach, I have changed the red dot to a blue dot for clarity.

Step 4

Connecting the dots gives the path of Venus relative to the earth.

Now if we repeat this process or observe this process with 8 earth / 13 Venus years we will get pentagram pattern.

Final Step

And we get path of Venus relative to the earth over 8 Earth years (which is 13 Venus years). This is called **pentagram of Venus**.After that period (8 years), Venus, the Sun, and the Earth are again in the same relative positions. It means that Venus, seen from the Earth, is in the same position with respect to the Sun.

It’s called the pentagram of Venus, because it has 5 ‘lobes’ where Venus makes its closest approach to Earth. At each closest approach, Venus move backwards compared to its usual motion across the sky: this is called retrograde motion.

For a while we see Venus in the evening sky. Then it appears in the morning sky. Here is a picture of what we would see on successive nights one hour after sunset.

This highly noticeable rhythm in the motion of Venus from a geocentric perspective was famously mentioned in “The Da Vinci Code by Dan Brown, and is sometimes called the pentagram of Venus.

If you want to read more about this check out this article.

Simulation of pentagram pattern

Blog Topic suggested By Kunal Dewangan

Venus's 5 Petals Dance

Before we start Quick facts check ..

Now let's understand how Planet Venus create these amazing patterns ..

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