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Next Meteor Shower Sydney

Added Nov 15, 2014 by AlexLaverty in Astronomy

Next Meteor Shower in Sydney Widget


Added Nov 13, 2014 by colling in Astronomy


Orbital Darkness

Added Nov 10, 2014 in Astronomy

Estimate the amount of time a satellite orbiting a massive body is in shadow. Inputs are the radius of the body being orbited, the altitude of the satellite's orbit, and the gravitational parameter

Orbital Period

Added Nov 10, 2014 by Chooski in Astronomy

Calculate the orbital period for any satellite given the mass of the body you are orbiting and the semimajor axis of the orbit.

Distance between satellites

Added Nov 10, 2014 by Chooski in Astronomy

Calculate the distance between two satellites on the same orbit, in meters. Inputs are half the angular distance between the satellites, in degrees, and the semimajor axis, in meters.

starchart local

Added Nov 5, 2014 by daryn987 in Astronomy



Added Nov 3, 2014 by quintin in Astronomy



Added Oct 27, 2014 by Jairus in Astronomy


Added Oct 22, 2014 by Dinspire in Astronomy


atmospheric composition of planets

Added Oct 21, 2014 by ___SirCasm in Astronomy

viewing the composition of planets atmospheres

mass of each planet

Added Oct 21, 2014 by chris_garcia831 in Astronomy

detailed description of each of the planets mass also converted into other measurements.

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