What is the fastest object in the world and how fast does it go?

Answer 1

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.

Answer 2

Fastest object ever detected was The Oh-My-God Particle which hit Earth's atmosphere on October 15, 1991 with the speed of 0.9999999999999999999999951 c. After traveling one light year, the particle would be only 0.15 femtoseconds (46 nanometers) behind a photon that left at the same time.

Answer 3

Photons! Electromagnetic radiation (and constituent waves/particles) hold the universal speed record.

The speed of light in a vacuum is 299,792,458 metres per second, or 670,616,629 miles-per-hour / 186,282 miles-per-second.

To address a misconception that led to an erroneous edit in this answer, despite some experiments that show a form of 'wave' being propagated at purportedly faster-than-light speeds, this does not constitute anything actually travelling at a velocity greater than light - the effect cannot be used to move information, matter, particles, or energy from one point to another at a velocity greater than that of light. it is rather analogous to a Mexican wave at a football match in that while an effect (ie- the wave) is perceivably propagating at speed across a medium (ie- the crowd), the constituent particles (ie- the people) are actually not moving at anything near that velocity. Another way of looking at it theoretically would be if you were to cast a shadow from an object in such a way that the shadow travels faster than the object creating the shadow (wave a hand in front of a bulb - its shadow on a distant wall will appear to move faster), then move that object at the speed of light (assuming that such is possible for the sake of this argument), the shadow would appear to move at a velocity greatly in excess of the speed of light... however, nothing has actually travelled faster than the speed of light (this cannot be used to transmit information at FTL speeds, for instance), so the universal speed limit remains un-broken.

As for man made objects, Voyager 1 is the current record holder at a mere At 17.26 km/s (62,126 kph)

Answer 4

• Jupiter - About 9.8 hours (Varies)
• Saturn - 10 hours 32 minutes
• Uranus - 17 hours 14 minutes
• Neptune - 16 hours 6 minutes.

Answer 5

The fastest thing in the Universe is light.

Answer 6

The Moon is the object that moves fastest compared to the fixed stars.

Answer 7

far away galaxies.

Answer 8

light