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Physics & Astronomy Facts

Sir Issac Newton
Newton's Three Laws of Motion

The motion of an aircraft through the air can be explained and described by physical principals discovered over 300 years ago by Sir Isaac Newton. Newton worked in many areas of mathematics and physic ...

Magnitude of an Astronomical Object

'Visual magnitude' is a scale used by astronomers to measure the brightness of a star. The term 'visual' means the brightness is being measured in the visible part of the spectrum, the part you can se ...
Image of the spiral galaxy NGC 4414
From Here To There

We all know that our galaxy, the Milky Way, is big -- very big. So big in fact that its size is impossible to grasp. To cope with the astronomical distances of galaxies, since miles or kilometers won' ...

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