Answer: 2045
Explanation:
Given
We had sent a radio signal to advance civilization in 2006 which is 39 light-years away i.e. time taken by light to reach reticuli star system is 39 years.
So, it will arrive the destination in the year
Indicate whether the statement is true or false. an astronaut weighs the same on earth as in space.
2 answers:
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Answer:
True
Explanation:
As one drive away from the radio station, the recession velocity increases and causes the apparent wavelength to increase accordingly, which in turn causes the True wavelength received from the radio station to increase as well because of their direct relationship as shown in the equation above.