Relativity for Children

Anyone can understand Einstein

I have a ball.

The ball has mass.

Mass tells us how much matter is in the ball. Matter is stuff we can see and touch.

I have another ball! It’s bigger than the first. The bigger ball has more mass. The smaller ball has less mass.

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Ella Alderson

Ella Alderson

59K Followers

Astrophysics student, writer for over a decade. A passion for language and the unexplored universe. I aim to marry poetry and science. ella.aldrsn@gmail.com