OT: Out of the World image

Larry Colen lrc at red4est.com
Fri Apr 12 05:17:29 EDT 2019

Matthew Hunt wrote on 4/11/19 8:44 AM:
> On Thu, Apr 11, 2019 at 11:39 AM Mark Roberts
> <postmaster at robertstech.com> wrote:
>> Also: It's HUGE! https://xkcd.com/2135/
> But also tiny! By my calculations, the accretion disc appears about
> 1/15 as large as the flag planted on the moon.

Aha, you mean in degrees of arc.  Yeah, her TED talk compared the black 
hole in the center of our galaxy being equivalent to seeing an orange on 
the moon.


Larry Colen           LRC at red4est.com          http://red4est.com/lrc

More information about the PDML mailing list