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2023-01-22 Science & Technology

Radio signal from 9 billion light-years away from Earth captured

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Posted by Skidmark 2023-01-22 00:00|| || Front Page|| [8 views ] Top

#1 21-cm-wavelength radio waves...which is reportedly emitted by neutral hydrogen atoms.

I hope they factored in the time dilation of the expanding universe.

Posted by Bobby 2023-01-22 07:34|| 2023-01-22 07:34|| Front Page Top

#2 Time Dilation

Posted by Skidmark 2023-01-22 07:44|| 2023-01-22 07:44|| Front Page Top

#3 TIME DILATION CALCULATOR

Posted by Skidmark 2023-01-22 07:45|| 2023-01-22 07:45|| Front Page Top

#4 Eg.
42 hours for a round-trip message to Voyager 1,and 35 hours to Voyager 2.

A radio signal to reach Pluto, 1.4 billion miles away, takes 5.5+/- hours

Posted by NN2N1 2023-01-22 08:44|| 2023-01-22 08:44|| Front Page Top

Posted by M. Murcek 2023-01-22 08:49|| 2023-01-22 08:49|| Front Page Top

#6 "Mr. Watson, come here! I needed you nine billion years ago." Or whatever (time dilation not my specialty).

Posted by Creamp Guelph1073 2023-01-22 09:23|| 2023-01-22 09:23|| Front Page Top

#7 About the same time length for the voices of the peoples voices to reach the Davos crowd!

Posted by Jumbo McGurque1845 2023-01-22 09:31|| 2023-01-22 09:31|| Front Page Top

#8 Since the DC Swamp is so far out in the ozone/space from those that elected them.

Does this mean WE THE PEOPLE that were speaking out about Constitutional rights and social morality issues, during the Regan Admin. will soon be heard in DC?

Posted by NN2N1 2023-01-22 10:43|| 2023-01-22 10:43|| Front Page Top

#9 during the Regan Admin. will soon be heard in DC?

Nope, still got to get the $#!t ear plugs out of their ears.

Posted by AlanC 2023-01-22 15:41|| 2023-01-22 15:41|| Front Page Top

#10 Usually referred to as cosmological red shift. See a different calculator

Posted by James 2023-01-22 17:27|| https://idontknowbut.blogspot.com 2023-01-22 17:27|| Front Page Top

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