16 Space Facts You’ve Always Wanted To Know

Light year

Lightyear is a measure of distance, not time. It is the distance that light travels during one Earth year ( The speed of light is 300,000km/s, which means that this is a very, tremendously, amazingly huge distance of over 9.5 trillion km).

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Galaxies can collide

Galaxies can collide. In fact, our own milky way is due to a collision with Andromeda galaxy. Not to worry though, this is going to happen in over 4 billion years from now, and even when it happens, galactic distances are so vast that the chances of a star or a planet hitting each other are almost non-existent.

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A joke

On April Fool’s day in 1976, BBC convinced many listeners that a special alignment of the planets would temporarily decrease gravity on Earth. Phone lines were flooded with callers who claimed they felt the effects.

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