Magnetism

Legesse Wetro

Early Life

Legesse Wetro was born in Cire, a small town in Ethiopia. In 1967, he started studying physics at Addis Ababa University. There, he joined a Christian student group and enjoyed singing in the church choir. After his first degree in 1972, he stayed to teach physics. But Legesse wanted to learn more. He earned a master's degree from the University of Sheffield, UK, and a PhD in astrophysics from the University of California, US. Through all this time, he also wrote many gospel songs that people still enjoy today.

Year born: 1950

Research Areas: Astrophysics, Pulsars, Geophysics, Magnetic Fields

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Since ancient times, people have known about some rocks that could attract iron. When these rocks were rubbed on other types of metal, they had the power to make them attractive too. These items could also push each other away, repelling each other.

A dark grey and brow rock with a textured surface. On this, three metal nails are sticking to it. — Lodestone, one of a few minerals that are naturally magnetic.

Predict the Solar Cycle

The Sun is a constant presence in our life on Earth. It gives us the heat and light we need to survive. But it is not a stable place. The Sun is a ball of hot plasma which is constantly changing.