At least three (3) exoplanets have been discovered in the Trappist Star system located 3.7 × 10^

Name: At least three (3) exoplanets have been discovered in the Trappist Star system located 3.7 × 10^14 km away. Assuming there is an advanced civilization located on one of these planets, how long would it take for a radio signal broadcast there to reach the Earth? Please enter your answer in years with only two significant figures such as 78 or 90. For the speed of light, use 300,000 km/s.
Uploaded: 2022-05-17T07:06:46-08:00
Duration: 1 min 4 s
Channel: Sri K
Description: At least three (3) exoplanets have been discovered in the Trappist Star system located 3.7 × 10^14 km away. Assuming there is an advanced civilization located on one of these planets, how long would it take for a radio signal broadcast there to reach the Earth? Please enter your answer in years with only two significant figures such as 78 or 90. For the speed of light, use 300,000 km/s.

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Shahab Ullah · Accepted Answer

First, we need to convert the distance from kilometers to seconds. We do this by dividing the di

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