Space Exploration: How far have we come?

This is some serious mind blow.

The universe has always fascinated humans and made them question their existence in the cosmos.

The world, as a team has tripled its space exploration over the decade. A few centuries back, humans were of the opinion that the earth is flat. Where are we now?

The US spacecraft Voyager I has been freely left into the interstellar space. Now wait for the mind blow.

Believe it or not, the Voyager I has travelled about 18.8 billion kilometers from earth.

Now it gets cooler. The Voyager I has images of humans inscribed on it and sounds from the earth in case it happens to reach any alien planet. It also has one the speeches of the then USA president.

I'm not sure how the aliens would understand English speeches of the president. xD

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