The spacecraft exploring the planets of the solar system moves at a speed of about 30 km / s.
| February 21, 2021 | education
The spacecraft exploring the planets of the solar system moves at a speed of about 30 km / s. How long will the device travel to a Centauri, if the distance to this star is 4.2 sv. of the year?
The light moves at a speed of 300,000 km / s, the apparatus is 30 km / s, i.e. 10,000 times slower. Light reaches the desired star in 4.2 years, the apparatus, respectively, in 42,000 years.
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