DaveC426913's latest activity
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DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).OK, I feel that the problem is insufficiently defined for me to be able to address it, so I will step back and defer to others. -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).OK, so is post 63 an example of this? -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).Sorry, I have to recap. Your post 63 shows three conjunctions - one of which is during retrograde. OK, so now I have to go all the way... -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).For my records, your latest animation can be found here (so I don't have to spend ten minute looking for the link)... -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).Oh. I see. Yes, I mislabeled my conjunctions. Apologies. OK, I see three. -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).What do you mean? At conjunction #2, they are not only parallel, they are co-incident: Why do you substitute your own incorrect screen... -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).(Independent of retrograde phase) I count five times in your animation when red and yellow are parallel (and therefore Mars and Pollux... -
DaveC426913 replied to the thread Weird News Compilation.No link to video for us vultures? -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).Re-examining your sim. A Mars-Pollux conjunction occurs any time red and yellow lines are parallel. Is it possible you are... -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).🤔 Clearly a multiple conjuction can occur. You provided an example. And clearly, the passing cars analogy is flawed. So, in answer to... -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).I'm afraid I don't follow what you're asking/asserting. Why does that create a paradox? -
DaveC426913 replied to the thread Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars).Hm. It is almost the same question. Reporting to check with mods. -
DaveC426913 replied to the thread Today I Learned.TIL a CR2032 battery is 20mm in diameter and 3.2mm thick. A CR2025 is 2.5mm thick. All CR batteries follow this naming convention. -
DaveC426913 reacted to PeroK's post in the thread High School How much lower would a sheep be expected to jump if on a steep upward slope? with
Like.
It depends whether the sheep have perfected the Fosbury Flop. -
DaveC426913 reacted to gmax137's post in the thread Undergrad What keeps dark matter in galactic halos? with
Haha.
Well, it has been 7 years in your reference frame, but ...






