Quote:
Originally Posted by DJVege
I've got a n00b question. What do you mean "4.7 arcseconds"?? How is Mars at 4.7 arcseconds. I've been reading up on it, and I understand that and arcminute is 1/60th of a degree, and an arcsecond is 1/60th of an arcminute. That's all that's getting through my brain at the moment! 
Great pic, by the way. 
...DJVege... |
hmmm... does it help if I say that the diameter of mars subtends an angle of 4.7 arc seconds at the earth/scope? Does that make any more sense? Otherwise I'm a bit lost as to what you don't understand
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Al.