From a distance of 470 km above the surface of the Moon, what is the angular diameter (in arc seconds) of an astronaut i
Posted: Sat Jul 09, 2022 11:58 am
From a distance of 470 km above the surface of theMoon, what is the angular diameter (in arc seconds) of an astronautin a spacesuit who has a linear diameterof 0.8 m viewed from above?
Hint: Use the small-angleformula,
=
.
Need arc seconds?
The unaided human eye has a resolution of about 100 arc secondsin bright lighting conditions. Could someone looking out thecommand module window have seen the astronauts on the Moon?
Yes? No?
Hint: Use the small-angleformula,
=
.
Need arc seconds?
The unaided human eye has a resolution of about 100 arc secondsin bright lighting conditions. Could someone looking out thecommand module window have seen the astronauts on the Moon?
Yes? No?