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Planetary Motion

Aryabhata

Occupation

Astronomer, Mathematician

Year Born

476

Research Areas

Planetary Motion, Eclipses, Rotation of Earth, Geometry, Trigonometry

 

 

A white statue of a man standing. His arm is raised as he points. He has wavy shoulder-length hair and wear cloth around his waist. A cloth is also draped over his shoulder, gathered in his arm, which falls to the ground.
This work by Mukerjee is licensed under Creative Commons Zero v1.0 Universal

Benjamin Banneker

Occupation

Astronomer, Almanac Author, Mathematician, Surveyor

Year Born

1731

Research Areas

Solar Eclipses, Tides, Movement of the Sun and Moon, Planetary Motion

 

A painting of a black man wearing a blue suit with an orange waistcoat. He holds a compass in one hand, and his other is wrapped around a large rectangular stick that has a protractor on top.
This work by Maxine Seelbinder/ Carol M. Highsmith is licensed under Creative Commons Zero v1.0 Universal

Nasir al-Din al-Tusi

Occupation

Astronomer, Mathematician, Philosopher, Scientist

Year Born

1201

Research Areas

Planetary Motion, Star Maps, Trigonometry, Logic, Ethics

 

An illustration of a man standing by a window which has no glass. He is wearing a white headdress and white robe. He is using a gold telescope to look outside at the dark sky, where there are small dots of stars and constellations. There's a large globe and a bookstand on the floor by his feet, and a paper and ink pot on a small cloth covered table in the background.
This work by Kh. Mirzoyev/Republic ofAzerbaijan is licensed under Creative Commons Zero v1.0 Universal
A stamp issued in the Republic of Azerbaijan in 2009 honouring Nasir al-Din al-Tusi

Orbits

An orbit is the path an object in space travels around another. Lots of objects in the Universe orbit others. The Moon orbits the Earth.

Orbit of dwarf planets Pluto and Charon

Motion

Motion is when something moves from one place to another over time. 

Everything around us is always moving, from tiny particles to huge galaxies. 

In physics, we describe motion using ideas like distance, speed, and acceleration.

Silhouette of a cyclist in motion during sunset, with arrows indicating the direction of movement and wheel rotation. The word 'Motion' is displayed at the top of the image
This work by The Schools' Observatory is licensed under All rights reserved