Sultan Al Neyadi during a live video chat abroad International Space Station.
Mahmoud Mohsen, Staff Reporter
The Emirati astronaut Sultan Al Neyadi, through a video clip he shared via his Twitter account from the International Space Station (ISS), answered the question, which he left for smart people to answer, saying, “Only intelligent people can tell us the reason why this happening.”
It was about the reason for the change in the movement of an object in space.
At the beginning, Al Neyadi praised the followers’ interaction with the question, stressing that many of them answered it correctly.
The correct answer is the intermediate axis theorem, he said.
The theorem says that the rotation of a rigid body around its minor and major principal axes is stable, while rotation around its intermediate principal axis is unstable.
He also explained that any rigid body that rotates, whether in space or on Earth, has several axes, except for the circle, which rotates in equal directions.
Simply, he explained that rectangular bodies can rotate vertically and horizontally in regular direction, while the rotation around the intermediate principal axis usually causes an imbalance in movement, as it is located between the minor and major principal axes, and therefore the result is a change in movement. Once with the major axis, and another with the minor axis, he added.
Al Neyadi explained in a video how in zero-gravity astronauts check their weight using a device called the Body Mass Measurement Device (BMMD) aboard the International Space Station (ISS).
Sultan Al Neyadi, the Emirati astronaut, is preparing to head to the ISS on Feb.19, on the first long-term Arab mission which will last 180 days, as part of the “Crow 6” mission, launched from the Kennedy Space Centre in Florida.
Salem Humaid Al Marri, Director General, Mohammed Bin Rashid Space Centre said, “The UAE Astronaut Programme was launched in 2017, and this is our second mission making the UAE the 11th country globally to launch a long-duration astronaut mission to the International Space Station.
Al Neyadi replied, Your Highness, you are always leading us with your kindness and generosity, and you pave the way for us. There is no one happier than us about this. You lead us, and we follow you on this journey, who carried the flag of the UAE and the ‘Zayed’s Ambition’ patch. Today we are continuing this journey and god willing there will be further stages to come.
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