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Does anyone know how to interpret light curves that give you orbital phase and visual magnitude in order to determine orbital period? Do you have an example of a question or light curve you were thinking of for this? I'd imagine you could just either get a velocity graph, be given the period, or if...

Does anyone know how to interpret light curves that give you orbital phase and visual magnitude in order to determine orbital period?

This is going to be a random question and/or request, but I was looking at the old astro national tests and I realized that I didn't have the answers for the 2010 nats test. Does anyone have the answers? I wasn't in Astronomy (since i wasn't in Div C) at the time, so I don't know if the answers were...

Hey! Does anyone know if lasers are allowed to be used in the event? I think that there is a section of the rules that say no, but I wanted to check.

Just for clarification, are we allowed to bring iPads, instead of or with another laptop?

thank you! the links i found helped! but, how did you find the absolute magnitude from the light curve? or is it a given variable in the equation?

can someone explain to me exactly how their got that answer for #27 from the minnesota test? i am confused and would like if there are specific steps, please... thank you!

can someone explain to me exactly how their got that answer for #27 from the minnesota test? i am confused and would like if there are specific steps, please... thank you!

My friend and I were bunking together at Nationals when she realized that our room was infested with bugs. First thing on my mind?? "Sh** Elizabeth!! Grab the ice cream and run!!" Oh my god! I remember that, even though I wasn't there! It was a crazy day.. :) It was...Buffy and I were run...

INFJ... only two of those so far in this forum, i think? Now there are three! I am INFJ,too. slightly expressed introvert distinctively expressed intuitive personality moderately expressed feeling personality moderately expressed judging personality awesome!! im not alone!! :) i think we're one of ...