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#4470459 - 04/14/19 10:37 PM Re: Black hole first ever picture happening now! Live stream links in post [Re: Ajay]  
Joined: Mar 2011
Posts: 2,770
Rick_Rawlings Offline
B.O.C. Challenger
Rick_Rawlings  Offline
B.O.C. Challenger
Senior Member

Joined: Mar 2011
Posts: 2,770
It's a pretty amazing week for astrophysics! Congratulations to all involved! (Cause I am sure all those scientists are lurking around here somewhere!) And a special thanks to all you cheeky little taxpayers (myself included) who made this incredible discovery possible! cheers

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#4470460 - 04/14/19 11:01 PM Re: Black hole first ever picture happening now! Live stream links in post [Re: jack72]  
Joined: Nov 2001
Posts: 20,045
oldgrognard Online content
Administrator
oldgrognard  Online Content
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Lifer

Joined: Nov 2001
Posts: 20,045
USA
Originally Posted by jack72
Remember, scientist are proving black holes exist with the same scientific processes, documentation and calculations that prove global warming.exist.

Tired of people trying to slip in their political shots. You know better and did it with intent. Warning you not to do it again.




Bumping this to make sure the warning is clear. Missed this in my first cleanup.


Good people sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.

Someday your life will flash in front of your eyes. Make sure it is worth watching.
#4470481 - 04/15/19 05:54 AM Re: Black hole first ever picture happening now! Live stream links in post [Re: WhoCares]  
Joined: Apr 2013
Posts: 911
Zamzow Offline
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Zamzow  Offline
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Joined: Apr 2013
Posts: 911
Originally Posted by WhoCares
Originally Posted by Zamzow
...
Now lets make this clock run at half speed - 24 hours for a revolution of the hour hand. Make that hour hand as long as the radius of the Earth and the tip will be moving a THOUSAND MILES PER HOUR.
.....

No offense meant, but that was a rather complicated way to say that a point on the equator moves at ~1000 miles/hour. Equator is ~40000km around, => 40000km/24h => ~1666km/h, or ~1000 miles/hour.
Now make that same calculation with the earth orbiting the sun, and you will get to ~67000 miles/hour or >100000km/h - wooooosh exitstageleft runningdog


It was a way of "putting it into scale".

Imagine the hour hand of your watch, or clock, at HALF speed, with the tip moving 1000mph.

That's the size of the Earth...

I confess I did kind of present it almost like how I would to kids...

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