WORLD'S FASTEST
MANMADE OBJECT
THE LONGEST LIST OF THE LONGEST STUFF AT THE LONGEST DOMAIN NAME AT LONG LAST

What is the world's fastest manmade object?

In the mid 1970's Federal Republic of Germany and NASA launched two probe that were to orbit the Sun, Helios 1 and Helios 2.

Helios 1 was launched in December 1974 and Helios 2 in January 1976, both reaching an orbit of 45 million kilometers from the Sun, that's within the orbit of Mercury.

Due to their elliptical orbit the probes reached speeds of about 250,000 KM/H with Helios 2 reaching 252,792 KM/H or 157,078 MPH, making it the world's fastest manmade object to date.

Helios

 

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